Question 1

Which is better, Roborock S8 Pro Ultra or iRobot Roomba j9+?

Accepted Answer

Based on our testing, the Roborock S8 Pro Ultra scores higher overall at 9.3/10. The Roborock S8 Pro Ultra scored 9.3/10 and the iRobot Roomba j9+ scored 9/10 in our Best Robot Vacuums 2026 evaluation.

Question 2

Is the Roborock S8 Pro Ultra worth it over the iRobot Roomba j9+?

Accepted Answer

The Roborock S8 Pro Ultra scores 9.3/10 while the iRobot Roomba j9+ scores 9/10. The Roborock S8 Pro Ultra is our "Best Overall" pick in the Best Robot Vacuums 2026 category.

Roborock S8 Pro Ultra vs iRobot Roomba j9+: Which to Buy?