Roborock S8+ vs iRobot Roomba j9+

The Roborock S8+ is better than the iRobot Roomba j9+. The Roborock features a LIDAR mapping sensor that allows for quicker and more precise room mapping, and it boasts a lot more automation features, not to mention a more feature-rich and less buggy companion app. The Roborock generates a live map of its coverage area, allows you to change power settings on the fly, and supports pin-and-go functionality. Both vacuums feature real-time hazard identification systems, and though the iRobot's RGB camera-based system does a better job of navigating around obstacles. Meanwhile, the Roborock also features an ultrasonic mopping system that effectively handles dried-on stains. If you want the same capability in the iRobot, you'll need to step up to the pricier iRobot Roomba j9+ Combo model.