The iRobot Roomba j9+ is a user-friendly robot vacuum that justifies its high price with strong suction power, reliable obstacle avoidance, self-emptying functionality, and ample app features.
The iRobot Roomba Combo j9+ is a versatile robot vacuum and mop with the ability to empty its own dustbin and refill its own water tank, but some competitors offer superior cleaning power and require less maintenance.