Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
iRobot Roomba Plus 515 Combo Robot + AutoWash Dock has the better all-around case than iRobot Roomba Plus 505 in 2026, starting with price, battery life, and suction power.
It wins the broader comparison through price, battery life, and suction power, while its broader overall balance helps confirm the result. iRobot Roomba Plus 505 remains a niche alternative if integrations matter more than the rest of the comparison. That makes iRobot Roomba Plus 515 Combo Robot + AutoWash Dock the clearer recommendation in 2026.
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Winner
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| Feature | iRobot Roomba Plus 505 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $699.99 | $599.99 | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Battery Life | 120 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 Plus 505 |
| Suction Power | 7000Pa | 22000Pa | iRobot Roomba Plus 515 Combo Robot + AutoWash Dock |
| Rating | 4.2 | 4.2 | Tie |
| 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 |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
30% OFF
$699.99
$999.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $699.99 vs $599.99
- - Battery Life: 120 minutes vs 295 minutes
Winner
14% OFF
$599.99
$699.99
- + Price: $599.99
- + Battery Life: 295 minutes
- + Suction Power: 22000Pa
- - Integrations: Google Home, Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 505 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, battery life, and suction power.
What is the biggest difference between iRobot Roomba Plus 505 and iRobot Roomba Plus 515 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: iRobot Roomba Plus 505 lists $699.99, while iRobot Roomba Plus 515 Combo Robot + AutoWash Dock lists $599.99.
Which one looks better on price?
iRobot Roomba Plus 505 is listed at $699.99, 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 Plus 505?
Choose iRobot Roomba Plus 505 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 battery life 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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EufyE28
32% OFF$999.99$679.99
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13% OFF$799.99$699.99
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EufyOmni C28
38% OFF$799.99$499.99
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31% OFF$699.99$479.99
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Robot VacuumsiRobotRoomba 415X
4.2(11,888)6% OFF$799.99$749.99
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4.2(8,849)21% OFF$999.99$789.99- Robot VacuumsiRobot
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4.3(13,213)$1399.99 
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3.0(267)49% OFF$1399.00$709.86
Robot VacuumsiRobotRoomba Max 705 Combo
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Robot VacuumsiRobotRoomba 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 VacuumsiRobot
Roomba 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