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iRobot Roomba j7 Vacuum Review

Tested using Methodology v1.1
Reviewed Oct 15, 2021 at 10:19 am
iRobot Roomba j7 Picture
7.4
Bare Floor
6.7
Low-Pile Carpet
6.6
High-Pile Carpet
5.3
Pets
5.8
Stairs
4.7
Cars
4.4
Workshop
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Vacuum Type
Robot
Bagless
No
Cordless
Yes
Anti-Allergy Filter (HEPA)
Yes
Wet Compatible
No

The iRobot Roomba j7+ is a premium robot vacuum with advanced automation features. It's positioned just below the iRobot Roomba S9, the current flagship of the company's vacuum lineup. It sets itself apart from other iRobot models with its hazard-detection capability, which allows it to identify and avoid hazards like pet waste or electrical cords in real-time. It also features self-emptying capability, which allows it to transfer any accumulated debris from its dustbin into an external dirtbag built into its charging dock. It can automatically adjust its head height depending on the surface type that it's on, and is advertised as being able to learn your schedule and organize its cleaning sessions around it.

Our Verdict

7.4 Bare Floor

The iRobot j7 is alright for bare floors. While it clears bulky and small debris like cereal or rice without too much difficulty, it struggles with pet hair, which tends to be pushed around by its front bumper rather than being sucked up. Thankfully, it feels well-built, maneuvers itself very effectively in part thanks to its hazard-identification capability, and has a very wide range of automation features, including its self-emptying function. Unfortunately, it has demanding maintenance requirements and incurs high recurring costs.

Pros
  • Advanced automation capabilities.
  • Excellent build quality.
  • Excellent maneuverability.
Cons
  • High recurring costs.
  • Slow room mapping.
6.7 Low-Pile Carpet

The iRobot j7 is a middling choice for low-pile carpet. It doesn't suck up much in the way of larger material like sand and struggles with cleaning fine debris like baking soda, though it does a fantastic job dealing with pet hair on this surface type. In addition, it has many parts that need cleaning and incurs high recurring costs. This vacuum feels amazingly well-built, and its self-emptying feature also helps slightly reduce hands-on maintenance requirements. It also maneuvers itself around obstacles amazingly well.

Pros
  • Advanced automation capabilities.
  • Excellent build quality.
  • Excellent maneuverability.
Cons
  • Struggles with fine debris.
  • High recurring costs.
  • Slow room mapping.
6.6 High-Pile Carpet

The iRobot j7 is decent for cleaning high-pile carpet. It sucks up pet hair and larger debris like sand with very little difficulty. While it may need to make another pass to fully clear finer material like baking soda, it still does a fairly good job dealing with this kind of debris. Its surface detection feature allows it to automatically adapt to different floor types. Unfortunately, it can sometimes struggle to climb onto this kind of surface. It also incurs very high recurring costs and has many parts that need regular cleaning.

Pros
  • Advanced automation capabilities.
  • Excellent build quality.
  • Excellent maneuverability.
Cons
  • Struggles with pet hair on high-pile carpet.
  • High recurring costs.
  • Slow room mapping.
5.3 Pets

The iRobot j7 is satisfactory for cleaning pet hair on flooring. It has no trouble cleaning up pet hair on bare floors or low-pile carpet, but it can have a hard time dealing with it on high-pile carpeting. Thankfully, it has a HEPA filter to trap allergens as it cleans, and its camera system is advertised as being able to identify pet waste and consequently allowing the vacuum to maneuver around it. You can also remove its brushrolls for easier cleaning of tangled hair. It's very quiet too, which is great if your pet is sensitive to loud noise, but unfortunately, it doesn't have a mopping feature that would allow it to scrub away dried-on dirt and debris.

Pros
  • Advanced automation capabilities.
  • Excellent build quality.
Cons
  • Struggles with pet hair on high-pile carpet.
  • No mopping capability.
  • High recurring costs.
5.8 Stairs

The iRobot j7 is a robot vacuum and isn't designed for cleaning stairs.

4.7 Cars

The iRobot j7 is a robot vacuum and isn't designed for cleaning cars.

4.4 Workshop

The iRobot Roomba j7+ isn't designed for cleaning workshops.

  • 7.4 Bare Floor
  • 6.7 Low-Pile Carpet
  • 6.6 High-Pile Carpet
  • 5.3 Pets
  • 5.8 Stairs
  • 4.7 Cars
  • 4.4 Workshop
  1. Updated Nov 02, 2022: Included a link to the iRobot Roomba i8+ in the 'Bare Floor Performance (Hardwood, Laminate, Tiles)' section to provide an alternative that offers superior debris pickup performance on bare floors.
  2. Updated Aug 16, 2022: Updated 'Battery' field to include a link to Roborock Q5+ as an alternative with a longer maximum runtime.
  3. Updated Aug 09, 2022: We've updated this review to Test Bench 1.1, which includes a broad range of new testing procedures to measure stain and water-clearing performance, suction power, crevice-cleaning performance, noise levels, and air filtration performance. We've also updated our debris and pet hair-pickup performance tests as well as our method of scoring user maintenance requirements, recurring costs, and dirt compartment sizing. We've also revised the score breakdown for the 'Workshop' usage section.
  4. Updated Aug 03, 2022: Converted to Test Bench 1.1.
  5. Updated Jul 28, 2022: We've corrected an input error in the 'Navigation Control Buttons' field of the 'Physical Automation' section and updated that section's score.
  6. Updated Jul 08, 2022: Converted to Test Bench 1.0.
  7. Updated Oct 15, 2021: Review published.
  8. Updated Oct 13, 2021: Early access published.

Differences Between Sizes And Variants

The iRobot j7+ can be purchased without the external dirt bin built into its charging dock and is simply referred to as the iRobot j7. We can't confirm that this model performs similarly, as the lack of the self-emptying feature could have an impact on performance. We tested the pricier variant with the self-emptying feature and corresponding external dustbin, and you can see its label here.

If someone comes across a differently-equipped iRobot j7, let us know in the discussions, and we'll update our review.

Compared To Other Vacuums

The iRobot j7 is a premium robot vacuum with a unique obstruction identification capability. Like the i3+ variant of the iRobot Roomba i3 and the i7+ variant of the iRobot Roomba i7, the j7+ variant of this vacuum is capable of dumping any accumulated debris in its internal dustbin into an external dirtbag mounted to its charging dock. It also has a wide range of advanced automation features and feels amazingly well-built. Unfortunately, its performance on low-pile carpet and bare floors is notably inferior to those of older models.

If you're looking for alternatives, take a look at our list of recommendations for the best robot vacuums, the best robotic vacuums for hardwood floors, and the best robot vacuums for pet hair.

iRobot Roomba S9

The iRobot Roomba S9 is better than the iRobot Roomba j7+. The S9 incurs lower recurring costs, charges faster, has an automatic suction power adjustment feature, and performs better on all surface types. Like the j7, it can also be purchased with an external dustbin and a corresponding self-emptying capability at an additional cost, though we haven't tested this variant. Meanwhile, the j7 has its unique hazard identification feature and weighs notably less.

iRobot Roomba i7

The iRobot Roomba i7 and iRobot Roomba j7+ each have advantages, meaning one may suit you better than the other, depending on your needs. The i7 performs significantly better on low-pile carpet and charges faster but has a shorter battery life than the j7. The j7 also clears more debris on high-pile carpet and has a unique hazard identification capability to avoid obstructions like pet waste.

iRobot Roomba i3

The iRobot Roomba j7+ is better than the iRobot Roomba i3+ EVO. The j7 has a longer battery life, maneuvers itself slightly more effectively, is able to identify and react to hazards in real time, clears more debris on bare floors, and feels slightly better built. The i3 charges faster, however.

Roborock S7

The iRobot Roomba j7+ and Roborock S7 each have advantages, and one may suit you better than the other, depending on your needs. While both vacuums are fully compatible with self-emptying stations, the iRobot charges much faster, maneuvers itself more effectively, and is better at dealing with pet hair. It also has a hazard-identification system that allows it to spot and react to hazards like pet waste. Meanwhile, the Roborock has a mopping attachment, incurs lower recurring costs, lasts longer on a single charge, and is more effective at clearing solid debris on all surface types.

Shark IQ Robot

The Shark IQ Robot RV1001 and iRobot Roomba j7+ each have advantages, meaning one might suit you better than the other, depending on your needs. The iRobot j7+ does have a self-emptying function that allows it to dump debris from its internal dustbin into an external dirt compartment mounted to its docking station, reducing hands-on maintenance requirements. A similar feature is available for the Shark at an additional cost. The iRobot also feels better-built, has an allergen-trapping HEPA filter, maneuvers itself more effectively, and has more advanced automation capabilities, most notably its hazard recognition capability and ability to organize its cleaning sessions around your schedule. However, the Shark delivers better performance on bare floors and low-pile carpet and incurs lower recurring costs.

Roborock S7 MaxV

The Roborock S7 MaxV is better than the iRobot Roomba j7+. The Roborock has an impressively effective mopping feature, fewer maintenance requirements, a much longer battery life, and performs considerably better on bare floors and low-pile carpet. Like the Roborock, the iRobot uses cameras that let it identify and react to hazards like pet waste in real-time. However, the Roborock also has a LIDAR sensor for quicker and more precise room mapping. While the iRobot comes with a self-emptying base station, the Roborock is fully compatible with the Empty Wash Fill Dock, which not only empties its dustbin but washes its mop pads and refills its internal water reservoir, though this accessory is very expensive.

Ecovacs DEEBOT OZMO T8 AIVI

The Ecovacs DEEBOT OZMO T8 AIVI is better than the iRobot Roomba j7+. The Ecovacs comes with a mopping attachment, incurs lower recurring costs, does a better job cleaning pet hair on bare floors, and struggles less with fine debris on low-pile carpet. It also has a much longer battery life, though the iRobot does charge a lot faster. The Ecovacs LIDAR sensor also allows for faster room mapping. Conversely, the iRobot is better at maneuvering its way around obstacles, has an allergen-trapping HEPA filter, and is advertised as being capable of recognizing your schedule and organizing its cleaning schedule around it. While the iRobot j7+ does have a self-emptying function that allows it to dump debris from its internal dustbin into an external dirt compartment mounted to its docking station, reducing hands-on maintenance requirements, a similar feature is available for the Ecovacs.

iRobot Roomba i8+

The iRobot Roomba j7+ has a more advanced set of automation features than the iRobot Roomba i8+. Not only does the j7+ share the i8+'s self-emptying capability, but it can also identify and react to hazards like pet waste in real-time. It also feels better built. However, the i8+ delivers better overall debris pickup performance across a range of surfaces.

Shark AI Robot

The Shark AI Robot and iRobot Roomba j7+ each have strengths, so one may suit you better than the other, depending on your needs. The Shark incurs lower recurring costs, has a longer maximum battery life, and delivers superior performance on bare floors and low-pile carpet. Meanwhile, the iRobot charges much faster, feels better built, clears more debris on high-pile carpet, maneuvers itself more effectively, and has more advanced automation capabilities, most notably its self-emptying function and hazard recognition capability.

Roborock Q5

The Roborock Q5 is better than the iRobot Roomba j7+. The Roborock delivers better cleaning performance on bare floors as well as low and high-pile carpet, and its LIDAR sensor maps out its coverage area much faster than the camera-based iRobot. It can also run for a lot longer on a single charge. Conversely, the iRobot is a better option for pet owners. Its hazard-detection system allows it to spot and react to hazards like pet waste or power cords in real-time, so you don't have to make sure that its cleaning area is completely free of obstacles before letting it run. Its external dirtbag has a slightly larger overall capacity, and its twin rubber brushrolls are much easier to clean than the Roborock's bristled roller.

eufy RoboVac X8

The eufy RoboVac X8 and iRobot Roomba j7+ each have strengths and weaknesses, meaning one might suit you better than the other, depending on your needs. The eufy has fewer parts that need periodic cleaning, lasts longer on a single charge, and delivers superior cleaning performance on bare floors and low-pile carpet. The iRobot has more advanced automation capabilities, most notably its hazard detection capability and self-emptying function, allowing it to dump any accumulated debris from its internal dustbin to an external dirt compartment on its charging dock, reducing hands-on maintenance requirements. The iRobot also performs better on high-pile carpet, has an allergen-trapping HEPA filter, and charges a lot faster.

Roborock S6 MaxV

The Roborock S6 MaxV and iRobot Roomba j7+ perform better for different use cases, meaning one might be a better fit for your needs than the other. The Roborock incurs fewer recurring costs, has a much longer maximum battery life, comes with a mopping attachment, and delivers superior overall performance on bare floors and low-pile carpet. Its LIDAR sensor also allows for faster room mapping, though it also has cameras that let it identify and react to hazards in real time. Meanwhile, the iRobot has a self-emptying function, takes much less time to recharge, deals with pet hair more effectively on low-pile carpet, and delivers better overall performance on high-pile carpet.

iRobot Roomba 694

The iRobot Roomba j7+ is better than the iRobot Roomba 694. The j7+ has a self-emptying feature that lets it dump any accumulated debris from its internal dustbin into an external dirt compartment mounted on its charging station, reducing hands-on maintenance requirements. It also has a pet waste detection feature and is advertised as capable of independently recognizing your schedule and organizing its cleaning sessions around it. It also feels better-built, does a better job of maneuvering itself, has a HEPA filter, and clears more debris on carpeted floors. However, the 694 performs better on bare floors.

iRobot Roomba i4

The iRobot Roomba i4 and iRobot Roomba j7+ each have advantages, meaning one might suit you better than the other, depending on your needs. The iRobot j7+ does have a self-emptying function that allows it to dump debris from its internal dustbin into an external dirt compartment mounted to its docking station, reducing hands-on maintenance requirements. Another variant of the i4, the i4+, also has this capability. That said, the j7+ does feel better built, delivers better performance on high-pile carpet, and has a more advanced navigation system that allows it to identify hazards like pet waste. Meanwhile, the i4 charges faster while offering similar battery life, incurs lower recurring costs, has fewer parts that need regular cleaning, and clears more debris on low-pile carpet.

Roborock S6

The Roborock S6 is better than the iRobot Roomba j7+. The Roborock incurs lower recurring costs, has fewer parts that need regular cleaning, has a longer batter life, comes with a mopping attachment for dealing with sticky messes on bare floors, and delivers superior performance on bare floors and low-pile carpet. The iRobot has more advanced automation features like its hazard detection capability that enables it to automatically identify and maneuver around pet waste, and its self-emptying function, letting it dump any accumulated debris from its internal dustbin to an external dirt compartment on its charging dock, reducing hands-on maintenance requirements. The iRobot also performs better on high-pile carpet and charges a lot faster.

yeedi vac station

The yeedi vac station is better than the iRobot Roomba j7+, though the iRobot might suit you better depending on your exact needs. The yeedi has fewer parts requiring regular maintenance, incurs slightly lower recurring costs, and performs better on carpeted floors. It also comes with a mopping attachment to clear sticky messes on bare floors. However, the iRobot charges considerably faster, has an easier time dealing with bulky debris, and has a unique hazard-detection feature for identifying and avoiding hazards like pet waste. 

Shark ION Robot R76

The Shark ION Robot R76 and iRobot Roomba j7+ each have their advantages, meaning one might suit you better than the other, depending on your needs. The Shark incurs lower recurring costs, is easier to store, and clears more debris on bare floors. Conversely, the far more expensive j7+ has an advanced mapping system that yields much better maneuverability and allows you to set up virtual boundary lines or schedule cleaning sessions for specific rooms in your home. It has a self-emptying feature that enables it to dump any accumulated debris from its internal dustbin into a much larger dirt compartment attached to its charging dock, reducing hands-on maintenance requirements too. It's also advertised as capable of recognizing your schedule and organizing its cleaning session around it. The iRobot also feels much better built and has an allergen-trapping HEPA filter.

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Test Results

perceptual testing image
Design
8.5
Design
Build Quality
Vacuum Type
Robot

This vacuum has amazing build quality. Its body is made of high-grade plastic, with a gloss-finish outer casing and glossy top cover. The vacuum's camera sits at the front of the vacuum and features a small LED light to help it see obstructions and hazards. There are a few obvious weak points in the vacuum's construction, and while its internal dustbin could break if you were to drop it, it still feels sturdier than most other robot vacuums' dustbins. Its dock also feels very well-built, and even features premium touches like a leatherette pull tab to lift open the external dustbin lid.

Out-of-the-box setup is very easy, with no actual assembly required. You only really need to pair the vacuum with its charging station, and the external dirt compartment comes with a dirtbag already in place.

7.0
Design
User Maintenance

The iRobot j7 Plus has quite a few parts requiring regular maintenance, but thankfully they're quite easy to access. You can also check the 'Maintenance' tab in its companion app to watch instructional videos for maintaining different components.

  • Dirt Compartment: The internal dustbin can be removed by pressing the release button on the side of the vacuum. If there's any leftover debris inside the internal dustbin, you can wipe it out with a dry cloth or tap it against the side of a trash can. If necessary, you can wash it with water, but be sure to remove the filter beforehand. The dirt compartment should be allowed to dry for 24 hours before it's put back in the vacuum.
  • Dirtbag: The dirtbag can simply be pulled out of its housing inside the charging station. It isn't reusable and needs to be thrown away when it's full, which is indicated by the status light on the docking station switching from white to red. The status light also turns red when the dustbin is blocked, though you also receive an in-app warning when this occurs. A cover on the dirtbag prevents dust and debris from spilling out when removing it.
  • HEPA Filter: The filter is located inside the dirt compartment. You can clean it by tapping it against the side of a trash can once or twice a week, depending on your usage habits. You shouldn't wash it with water.
  • Brushrolls: The brushrolls can be accessed by lifting the brush guard on the bottom of the vacuum and pulling them out. You should clean them by removing any hair tangles or debris once or twice a week, depending on your usage habits. It can be a little difficult to put them back in place since they need to be precisely aligned in their housing.
  • Side Brush: The side brush is under the vacuum, and you should clean it of any stuck-on debris once a month.
  • Wheel: The front caster wheel can simply be pulled out of the vacuum and then pushed out of its socket. You should clear it of any tangled hair or debris every two weeks.
  • Sensors and Charging Contacts: The sensors and charging contacts on the vacuum and docking station should be wiped clean with a dry cloth every two weeks.

3.0
Design
Recurring Cost
Bag Part Number 4640235
Filter Part Number 4639161
HEPA Filter Part Number 4639161

The iRobot j7 Plus incurs very high recurring costs since it has several parts that need regular replacing.

  • HEPA Filter: You should replace the HEPA filter every two months.
  • Rubber Brushrolls: You should replace the brushrolls every six to 12 months.
  • Front Wheel: You should replace the front wheel every 12 months, though it isn't currently listed on the manufacturer website.
  • Side Brush: The manufacturer recommends replacing this every three months.
  • Dirtbag: You need to throw away and replace the dirtbag when it's full.

iRobot sells replacement parts as individual packs, but you can also buy a 'Replenishment Kit' on its website that includes brushrolls, three side brushes, and three HEPA filters.

8.6
Design
Storing
Height
13.39" (34.0 cm)
Width
13.39" (34.0 cm)
Depth
16.54" (42.0 cm)
Cord Storing
Not Needed
On-Board Tool Storage
Not needed
Vacuum Rack/Station
Yes

The iRobot j7 Plus is amazingly easy to store. The vacuum itself is small, as is its charging station/external dustbin, which has a rack to store any excess length of power cord.

8.2
Design
Dirt Compartment
Bagless
No
Volume
0.70 gal (2.65 L)
Full Indicator
Yes
Bag Included
2

The iRobot j7 Plus has a large overall debris capacity. Its external dirtbag has a similar capacity to the i-series docking station that's compatible with the iRobot Roomba i3, as it can fit 2.4L of debris. Its internal dustbin has a capacity of 0.25L. The indicator light on the docking station changes from white to red when the bag is full or whenever there's been a blockage in the entry to the dirtbag, which is accompanied by a notification in its companion app.

Design
In The Box

  • iRobot j7 robot vacuum
  • Recharge station/External dustbin
  • Charging cable
  • 2x HEPA filter
  • Dirt compartment
  • 2x Side brush (one is already fitted to the vacuum)
  • 2x Multi-surface rubber brushrolls with bearings
  • 2x Dirtbags
  • Getting started guide

10
Design
Range
Cordless
Yes
Cord Length
N/A
Hose Length
N/A
Minimum Wand Length
N/A
Maximum Wand Length
N/A
Total Range
N/A

The iRobot j7's range is limited only by remaining battery life, though it can't climb or descend staircases.

8.0
Design
Portability
Total Weight
7.36 lbs (3.34 kg)
Weight In Hand
0.00 lbs (0.00 kg)
Carrying handle
No

This vacuum is very portable. It's slightly lighter than alternatives like the yeedi vac station, but unfortunately, it doesn't come with a carrying handle to make picking it up a little easier.

9.2
Design
Battery
Minimum Battery Life
102 min
Maximum Battery Life
102 min
Recharge Time
137 min
Recharge Dock
Yes
Battery Life Indicator
Yes
Removable Batteries
Yes

The iRobot j7 has strong overall battery performance. It can run for more than 100 minutes on a single charge, and since there are no dedicated power modes, you shouldn't see too significant a deviation from that in the real world. While it takes notably longer to recharge than the iRobot Roomba i7, it does have longer battery life. The indicator light under the clean button changes from white to red as its charge level drops, and you can keep an eye on its precise battery level by checking its companion app. You might want to consider the Roborock Q5 if you're looking for a self-emptying robot vacuum with a much longer maximum battery life and don't mind a slower recharge time.

Design
Quality Of Life Features
Rotating Head
No
Power Adjustment
No
Self-Propelled
Yes
Headlights
Yes
Easy On/Off
Yes
Head Surface Type Adjustment
Only Automatic

The iRobot j7's front camera is advertised as being capable of identifying hazards like pet waste or power cables and avoiding them. It also features a headlight to help the camera see in dimmer conditions. Still, you might want to consider an alternative like the Roborock S7 MaxV if you want a vacuum with LIDAR mapping for superior low-light mapping and maneuverability. The iRobot j7 has a surface detection feature and consequently adjusts its head height depending on the floor type that it's on, though you can't adjust this manually. It can also identify areas with a higher concentration of dirt and focus on cleaning those spots.

Design
Tools And Brushes
Brushroll
Yes
Brushroll On/Off
No
Removable Brushroll
Yes
Turbo Brush
No
Crevice Tool
No
Upholstery Tool
No
Soft Bristle Brush
No
Hard Bristle Brush
No
Extension Wand
No
Ceiling Fan Tool
No
Pet Grooming Tool
No

The iRobot j7 has a side brush that directs debris from the side of the vacuum into the path of the twin primary rubber brushrolls.

Design
Alternative Configuration
Blower Mode
No
Performance
7.2
Performance
Bare Floor Performance (Hardwood, Laminate, Tiles)
Setting Used "Clean"
Large Debris at 0 gal (0L) 88%
Large Debris at 0.07 gal (0.25L) 88%
Large Debris at 0.2 gal (0.75L) 88%
Large Debris at 0.4 gal (1.5L) 88%
Large Debris at 0.8 gal (3L) N/A
Large Debris at 1.6 gal (6L) N/A
Small Debris at 0 gal (0L) 93%
Small Debris at 0.07 gal (0.25L) 93%
Small Debris at 0.2 gal (0.75L) 93%
Small Debris at 0.4 gal (1.5L) 93%
Small Debris at 0.8 gal (3L) N/A
Small Debris at 1.6 gal (6L) N/A

The iRobot j7 offers decent performance on bare floors. It does a reasonably good job of sucking up bulky debris like cereal and easily cleans smaller material like rice, though its performance on this surface type does fall short of the iRobot Roomba i8+.

Note: All testing was completed when the dirt compartment was empty, with the data for the 0.25L, 0.75L, and 1.5L tests being copied from the 0L test. Since the iRobot j7+ automatically empties its internal dirt compartment when docked after completing its job, it doesn't lose suction performance.

4.6
Performance
Low-Pile Carpet Performance
Setting Used "Clean"
Large Debris at 0 gal (0L) 69%
Large Debris at 0.07 gal (0.25L) 69%
Large Debris at 0.2 gal (0.75L) 69%
Large Debris at 0.4 gal (1.5L) 69%
Large Debris at 0.8 gal (3L) N/A
Large Debris at 1.6 gal (6L) N/A
Small Debris at 0 gal (0L) 11%
Small Debris at 0.07 gal (0.25L) 11%
Small Debris at 0.2 gal (0.75L) 11%
Small Debris at 0.4 gal (1.5L) 11%
Small Debris at 0.8 gal (3L) N/A
Small Debris at 1.6 gal (6L) N/A

The iRobot j7 performs poorly on low-pile carpet. Its ability to deal with larger debris like sand is middling, and it struggles with sucking up fine material like baking soda on this surface type.

Note: All testing was completed when the dirt compartment was empty, with the data for the 0.25L, 0.75L, and 1.5L tests being copied from the 0L test. Since the iRobot Roomba j7+ automatically empties its internal dirt compartment when docked after completing its job, it doesn't lose suction performance.

6.6
Performance
High-Pile Carpet Performance
Setting Used "Clean"
Large Debris at 0 gal (0L) 65%
Large Debris at 0.07 gal (0.25L) 65%
Large Debris at 0.2 gal (0.75L) 65%
Large Debris at 0.4 gal (1.5L) 65%
Large Debris at 0.8 gal (3L) N/A
Large Debris at 1.6 gal (6L) N/A
Small Debris at 0 gal (0L) 17%
Small Debris at 0.07 gal (0.25L) 17%
Small Debris at 0.2 gal (0.75L) 17%
Small Debris at 0.4 gal (1.5L) 17%
Small Debris at 0.8 gal (3L) N/A
Small Debris at 1.6 gal (6L) N/A

The iRobot j7 has good performance on high-pile carpet. It cleans an impressive amount of larger materials like sand. In addition, while it may need to make another pass to fully clear fine debris like baking soda on this surface type, its performance is still relatively adequate.

Note: All testing was completed when the dirt compartment was empty, with the data for the 0.25L, 0.75L, and 1.5L tests being copied from the 0L test. Since the iRobot Roomba j7+ automatically empties its internal dirt compartment when docked after completing its job, it doesn't lose suction performance.

8.1
Performance
Pet Hair Floor Performance
Bare Floor
97%
Low-Pile Carpet
86%
High-Pile Carpet
37%

The iRobot j7 does a great job of dealing with pet hair. It clears away this kind of debris pretty easily on bare floors and low-pile carpet, but it has a really hard time clearing it away on high-pile carpet.

0
Performance
Suction
Maximum Suction
0.0 inHโ‚‚O (0.00 kPa)
Setting Used For Maximum "Clean"
Normal Suction
0.0 inHโ‚‚O (0.00 kPa)
Setting Used For Normal "Clean"
Hose Diameter
N/A

The iRobot Roomba j7's suction force isn't very strong, though this isn't unusual for a robot vacuum; its suction inlet is positioned too high above the contact surface to generate a tight seal on bare surfaces, even with its height-adjustable brushroll, so real-world suction measurements are quite low.

9.4
Performance
Noise
Bare Floor
63.0 dBA
Low-Pile Carpet
57.5 dBA

The iRobot j7 is remarkably quiet. You'll hear what people nearby are saying even when the vacuum is running in its most powerful suction mode.

8.5
Performance
Maneuverability

The iRobot j7 has excellent maneuverability. It cleans in an organized pattern and immediately returns to its docking station after it's finished with its current task. It's small enough to clean under chairs and tables, and its hazard detection feature is effective in causing it to avoid objects like electrical cords. However, you may need to clean the area around the cable yourself if you want a complete clean. It can also get caught on rug tassels and struggles to climb onto high-pile rugs without lifting them.

0
Performance
Pet Hair Furniture Performance
Sofa Pickup Post Test
Performance
Air Quality
Anti-Allergy Filter (HEPA)
Yes

The iRobot j7 is reasonably effective in sealing in fine particles. While there are no specific claims regarding the vacuum's sealing performance, it does come with a high-efficiency filter advertised to trap 99% of dog and cat dander allergens.

5.5
Performance
Cracks
Wood Cracks Post Test

The iRobot j7 has middling crack-cleaning performance compared to manually-operated vacuums, but it does a relatively good job for a robot vacuum. Its side brush helps dislodge debris in cracks, but it lacks the necessary suction force to draw debris from deep within crevices.

1.0
Performance
Stains
Stain Pickup Post Test

The iRobot Roomba j7+ has terrible stain-clearing performance. Unlike comparably priced alternatives like the Ecovacs DEEBOT OZMO T8 AIVI, this vacuum doesn't have any sort of mopping capability to help clean dried-on stains with water.

0
Performance
Water
Wet Compatible
No
Water Pickup Post Test
Automation
9.1
Automation
Physical Automation
Automatic Recharging
Yes
Automatic Bag Emptying
Yes
Pathing Algorithm
Smart
Physical Boundary Markers
No
Scheduled Start Buttons
No
Cycle Control Buttons
Onboard Only
Navigation Control Buttons
Return to Base Only

The iRobot j7+ has an exceptional range of automation features. Aside from its most obvious self-emptying feature, it's advertised as being capable of recognizing your schedule and organizing its cleaning sessions around it. It's fully compatible with Amazon Alexa and Google Home devices, meaning you can control it with voice commands. Unfortunately, its camera-based navigation system is much slower to map out its coverage area compared to LIDAR alternatives, like the Roborock S7 MaxV.

8.0
Automation
Companion App Automation
App Name
iRobot HOME
iOS Availability
Yes
Android Availability
Yes
Software Boundary Markers (No Go Zones)
Yes
App Scheduled Start
Yes
App Cycle Control
Yes
Navigation Control within App
No

The iRobot Home app is great. With the app, you can access a virtual map of its coverage area. You can then use to set up virtual boundary markers, place no-go zones, or set up precise cleaning zones. If you have a compatible Braava Jet M-Series robot mop, the "Imprint Link Technology" feature allows it to start mopping automatically after the iRobot j7 is finished vacuuming.

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