The verdict in 10 seconds
Best iRobot
iRobot Roomba j7+Smart, pet-safe robot that dodges clutter, but long-term reliability is mixedSuits you if
- You have pets and worry about the robot running into an accident
- Your floors often have cords, socks or toys lying around
- You want a robot that empties itself and runs on a schedule with little hands-on care
Best Shark
Shark Matrix PlusA capable, fairly quiet vacuum-mop combo with a frustrating appSuits you if
- Your home is mostly hard floors on a single level
- You want a self-emptying robot without paying for dock bags
- You want quiet daily upkeep for dust, crumbs and everyday hair
The short version
iRobot is the stronger brand for robot vacuums right now. The best single model of the two is the iRobot Roomba j7+, which suits you if you have pets and worry about the robot running into an accident.
We researched 17 expert reviews, analyzed 14,472 owner ratings and comments across 15 sources for every iRobot and Shark model we cover, and cross-checked them into one verdict, so you don't have to.
See the evidence
Brand scoreboardAverage score 69 vs 64 · reliability 56 vs 52
| iRobot | Shark | |
|---|---|---|
| Product Review score | 69 | 64 |
| Experts | 84 | 77 |
| Owners | 60 | 58 |
| Reliability | 56 | 52 |
| Models scored | 1 | 1 |
| Most reliable model | iRobot Roomba j7+ | Shark Matrix Plus |
Averages across scored models. ● marks the better number on each row.
Quick answers
Which is better, iRobot or Shark?
iRobot, on balance. Its models do better overall.
Based on: Average Product Review score 69 for iRobot vs 64 for Shark.Which brand is more reliable, iRobot or Shark?
iRobot. Its models are less likely to give you trouble.
Based on: Average reliability 56 vs 52.What is the best iRobot robot vacuum?
The iRobot Roomba j7+. It suits you if you have pets and worry about the robot running into an accident.
Based on: Highest Product Review score among iRobot models (69).What is the best Shark robot vacuum?
The Shark Matrix Plus. It suits you if your home is mostly hard floors on a single level.
Based on: Highest Product Review score among Shark models (64).