Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
In 2026, the recommendation leans toward iRobot Roomba Plus 515 Combo Robot + AutoWash Dock over iRobot Roomba Max 705, driven by price, rating, and battery life.
It separates itself most clearly on price, rating, and battery life, while still looking better on suction power and mopping functionality. The only strong reason to choose iRobot Roomba Max 705 is if integrations are more important to you than the overall verdict. In practical terms, iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is the easier product to recommend.
vs
Winner
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| Feature | iRobot Roomba Max 705 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $829.98 | $599.99 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Rating | 3.8 | 4.2 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Battery Life | 210 minutes | 295 minutes | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa | iRobot Roomba Max 705 |
| Suction Power | 13000Pa | 22000Pa | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Mopping Functionality | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Washing | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Auto Mop Drying | NO | YES | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Warranty | 1 year | 1 year | Tie |
| Auto Recharge | YES | YES | Tie |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
8% OFF
$829.98
$899.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $829.98 vs $599.99
- - Rating: 3.8 vs 4.2
Winner
14% OFF
$599.99
$699.99
- + Price: $599.99
- + Rating: 4.2
- + Battery Life: 295 minutes
- - Integrations: Google Home, Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: iRobot Roomba Max 705 or iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for price, rating, and battery life.
What is the biggest difference between iRobot Roomba Max 705 and iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: iRobot Roomba Max 705 lists $829.98, while iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99.
Which one looks better on price?
iRobot Roomba Max 705 is listed at $829.98, while iRobot Roomba Plus 515 Combo Robot + AutoWash Dock is listed at $599.99. iRobot Roomba Plus 515 Combo Robot + AutoWash Dock (better spec).
Who should buy iRobot Roomba Max 705?
Choose iRobot Roomba Max 705 if your priority is integrations and that matters more than price.
Who should buy iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Plus 515 Combo Robot + AutoWash Dock if your priority is price and rating and that matters more than integrations.
Full comparison table
Compare all 148 Robot Vacuums side by side
You are looking at two of them. The full table lines up all Robot Vacuums in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 148 Robot Vacuums
- 46 specs compared
- 41 filters
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$1299.00
EcovacsDEEBOT X11S OmniCyclone
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DreameL60 Ultra
10% OFF$1299.99$1169.97
RoborockQrevo Edge 3 Pro
$1499.99
EcovacsDEEBOT X11S PRO Omni
20% OFF$999.99$799.00
NarwalFreo 20
$1099.99
NarwalFlow
$999.99
EufyE25
35% OFF$999.99$649.99
EufyE28
32% OFF$999.99$679.99
EufyOmni S2
$1599.99
NarwalFreo Z10 Ultra
iRobotRoomba Plus 575 Combo Robot + AutoWash Dock
13% OFF$799.99$699.99
Eufy11S MAX
11% OFF$279.99$249.99
EufyOmni C28
38% OFF$799.99$499.99
EufyX10 Pro Omni
31% OFF$699.99$479.99
iRobotRoomba 705X
$1399.99
TikomG8000 Max
$129.99
Robot VacuumsiRobotRoomba 104
3.4(850)$249.99
Robot VacuumsiRobotRoomba 105 Combo
4.2(26,696)47% OFF$319.99$169.99
Robot VacuumsiRobotRoomba 105
4.2(31,572)$179.99
Robot VacuumsiRobotRoomba 105X Combo
4.1(13,178)$327.92
Robot VacuumsiRobotRoomba 105X
4.2(26,522)$291.97
Robot VacuumsiRobotRoomba 205
4.2(11,534)$149.99
Robot VacuumsiRobotRoomba 415X
4.2(11,888)6% OFF$799.99$749.99
Robot VacuumsiRobotRoomba 505X
4.2(8,849)21% OFF$999.99$789.99- Robot VacuumsiRobot
Roomba 705X
4.3(13,213)$1399.99 
Robot VacuumsiRobotRoomba Combo 10 Max robot + AutoWash dock
3.0(267)49% OFF$1399.00$709.86
Robot VacuumsiRobotRoomba Max 705 Combo
3.6(4,803)39% OFF$1299.99$799.00- Robot VacuumsiRobot
Roomba Max 705
3.8(696)8% OFF$899.99$829.98 
Robot VacuumsiRobotRoomba Max 715 Vac Robot + AutoEmpty Dock
3.6(11)14% OFF$699.99$599.99
Robot VacuumsiRobotRoomba Max 775 Combo Robot + AutoWash Dock
3.5(13)20% OFF$999.99$799.99
Robot VacuumsiRobotRoomba Plus 405
3.9(10,208)13% OFF$799.99$699.95
Robot VacuumsiRobotRoomba Plus 415 Combo Robot + AutoWash Dock
4.2(16)17% OFF$599.99$499.99
Robot VacuumsiRobotRoomba Plus 504
3.8(643)$664.99
Robot VacuumsiRobotRoomba Plus 505
4.2(8,839)30% OFF$999.99$699.99
Robot VacuumsiRobotRoomba Plus 507 Combo Robot + AutoWash Dock
$999.99- Robot VacuumsiRobot
Roomba Plus 515 Combo Robot + AutoWash Dock
4.2(4,132)14% OFF$699.99$599.99