Question 1

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

Accepted Answer

Based on our testing, the iRobot Roomba j9+ scores higher overall at 8.9/10. The iRobot Roomba j9+ scored 8.9/10 and the Roborock S8 Pro Ultra scored 8.8/10 in our Best Robot Vacuums for Hardwood Floors 2026 evaluation.

Question 2

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

Accepted Answer

The iRobot Roomba j9+ scores 8.9/10 while the Roborock S8 Pro Ultra scores 8.8/10. The iRobot Roomba j9+ is our "Best Overall" pick in the Best Robot Vacuums for Hardwood Floors 2026 category.

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