For large, low-furniture homes that want a hot-wash mopping dock and long runtime without paying for camera obstacle avoidance.
Amazon $429The iRobot Roomba Plus 515 Combo and the iRobot Roomba Combo 10 Max are evenly matched, rated 4.1 and 4.0. The iRobot Roomba Plus 515 Combo leads on mopping. The iRobot Roomba Combo 10 Max wins on navigation. The iRobot Roomba Combo 10 Max costs $29.01 less ($399.99 vs $429).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
For pet owners who want camera obstacle avoidance and a mop that never touches carpet; check availability first, as it is now hard to find new.
Amazon $399.99Which should you buy?
- Choose the iRobot Roomba Plus 515 Combo for mopping (Dual spinning pads, lifts 10 mm, extends to edges vs Static pad).
- Choose the iRobot Roomba Combo 10 Max for navigation (Camera + 3D light vs LiDAR).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | iRobot Roomba Plus 515 Combo | iRobot Roomba Combo 10 Max |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Cleaning 30% | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 80 tested robots | 64 measured 85% of sand from carpet, 100% of pet hair, some hair tangled (0.5) |
| Value 25% | 88 $429 | 92 $400 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 87 Self-empties the bin, washes the mop |
| Navigation 15% | 65 LiDAR | 80 Camera + 3D light |
| Mopping 10% | 76 Dual spinning pads, lifts 10 mm, extends to edges | 10 Static pad |
Independent tests
iRobot Roomba Plus 515 Combo
No independent test published yet.
iRobot Roomba Combo 10 Max
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 85% | 100% | 0.5 | 542 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| iRobot Roomba Plus 515 Combo | iRobot Roomba Combo 10 Max | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 22,000 Pa | - |
| Main brush | multi-surface rubber and bristle brush | dual rubber brushes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10 mm, extends to edges | Static pad |
| Mop lift | 10 mm | - |
| Leaves mop at dock | No | No |
| Extending mop | Yes | No |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | No |
| Navigation & app | ||
| Navigation | LiDAR | Camera + 3D light |
| Obstacle avoidance | Object sensing (sensor type not given) | PrecisionVision camera recognises and avoids cords, socks and pet waste |
| Matter | - | Yes |
| Voice assistants | - | Alexa, Siri, Google Assistant |
| Build | ||
| Height | 3.3 in (84 mm) | 3.4 in (86 mm) |
| Battery | 5,200 mAh | 4,200 mAh |
| Run time | Up to 4 h 55 min | - |
| Weight | 6.4 lb (2.9 kg) | 11 lb (5 kg) |
| Released | 2026-07 | 2024-08 |
