Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
Between iRobot Roomba Plus 678 Combo Robot + AutoWash Dock and iRobot Roomba 105 Combo, iRobot Roomba Plus 678 Combo Robot + AutoWash Dock is the better overall pick in 2026, leading on integrations, auto mop washing, and auto mop drying.
What pushes it ahead is integrations, auto mop washing, and auto mop drying, and Self-Emptying dustbin keeps the advantage from looking narrow. You should still consider iRobot Roomba 105 Combo if price matters more than raw overall balance. That is why the final call still favors iRobot Roomba Plus 678 Combo Robot + AutoWash Dock.
vs
Winner
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| Feature | iRobot Roomba 105 Combo | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $179.00 | $899.99 | iRobot Roomba 105 Combo |
| Integrations | Google Home, Alexa | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock |
| Auto Mop Washing | NO | YES | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock |
| Auto Mop Drying | NO | YES | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock |
| Self-Emptying Dustbin | NO | YES | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock |
| Warranty | 1 year | 1 year | Tie |
| Auto Recharge | YES | YES | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 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 |
44% OFF
$179.00
$319.99
- + Price: $179.00
- - Integrations: Google Home, Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Auto Mop Washing: NO vs YES
Winner
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Auto Mop Washing: YES
- + Auto Mop Drying: YES
- - Price: $899.99 vs $179.00
Frequently Asked Questions
Which is better overall: iRobot Roomba 105 Combo or iRobot Roomba Plus 678 Combo Robot + AutoWash Dock?
iRobot Roomba Plus 678 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for integrations, auto mop washing, and auto mop drying.
What is the biggest difference between iRobot Roomba 105 Combo and iRobot Roomba Plus 678 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: iRobot Roomba 105 Combo lists $179.00, while iRobot Roomba Plus 678 Combo Robot + AutoWash Dock lists $899.99.
Which one looks better on price?
iRobot Roomba 105 Combo is listed at $179.00, while iRobot Roomba Plus 678 Combo Robot + AutoWash Dock is listed at $899.99. iRobot Roomba 105 Combo (better spec).
Who should buy iRobot Roomba 105 Combo?
Choose iRobot Roomba 105 Combo if your priority is price and that matters more than integrations.
Who should buy iRobot Roomba Plus 678 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Plus 678 Combo Robot + AutoWash Dock if your priority is integrations and auto mop washing and that matters more than price.
Full comparison table
Compare all 153 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.
- 153 Robot Vacuums
- 46 specs compared
- 41 filters
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NarwalFreo 20 Edge
13% OFF$799.00$699.00
EcovacsDEEBOT X11S OmniCyclone
27% OFF$1099.99$798.98
EcovacsDEEBOT X12S OmniCyclone
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EcovacsDEEBOT X11S PRO Omni
$999.99
MOVAV70 Ultra Complete
$1299.00
MOVAZ70 Ultra Roller Complete
$1299.00
EufyE25
40% OFF$999.99$599.98
EufyE28
37% OFF$999.99$629.98
iRobotRoomba Max 775 Combo Robot + AutoWash Dock
20% OFF$999.99$799.99
EufyOmni S2
13% OFF$1599.99$1399.99
NarwalFlow
$999.99
NarwalFreo 20
$1099.99
NarwalFreo Z10 Ultra
$1299.99
Eufy11S MAX
$279.99
EufyOmni C28
34% OFF$799.99$529.99
iRobotRoomba 705X
9% OFF$1399.99$1269.99
TikomG8000 Max
15% OFF$129.99$109.99
Robot VacuumsiRobotRoomba 104
3.4(876)8% OFF$249.99$229.99- Robot VacuumsiRobot
Roomba 105 Combo
4.2(26,550)44% OFF$319.99$179.00 
Robot VacuumsiRobotRoomba 105
4.2(31,596)50% OFF$299.99$149.00
Robot VacuumsiRobotRoomba 105X Combo
4.1(13,259)9% OFF$338.92$309.02
Robot VacuumsiRobotRoomba 105X
4.2(26,550)$249.00
Robot VacuumsiRobotRoomba 205
4.2(11,556)$149.99
Robot VacuumsiRobotRoomba 415X
4.2(11,917)15% OFF$799.99$679.98
Robot VacuumsiRobotRoomba 505X
4.2(8,901)25% OFF$999.99$754.86- Robot VacuumsiRobot
Roomba 705X
4.3(13,221)9% OFF$1399.99$1269.99 
Robot VacuumsiRobotRoomba Combo 10 Max robot + AutoWash dock
3.0(272)50% OFF$1399.00$699.99
Robot VacuumsiRobotRoomba Max 705 Combo
3.6(4,814)39% OFF$1299.99$799.00
Robot VacuumsiRobotRoomba Max 705
3.8(718)$899.99
Robot VacuumsiRobotRoomba Max 715 Vac Robot + AutoEmpty Dock
4.2(2,836)14% OFF$699.99$599.99- Robot VacuumsiRobot
Roomba Max 775 Combo Robot + AutoWash Dock
4.4(4,929)20% OFF$999.99$799.99 
Robot VacuumsiRobotRoomba Max 875 Combo Robot + AutoWash Dock
$1199.99
Robot VacuumsiRobotRoomba Plus 405
3.2(431)13% OFF$799.99$699.95
Robot VacuumsiRobotRoomba Plus 415 Combo Robot + AutoWash Dock
3.9(26)$599.99
Robot VacuumsiRobotRoomba Plus 504
3.7(647)$664.99
Robot VacuumsiRobotRoomba Plus 505
4.2(8,901)30% OFF$999.99$699.99
Robot VacuumsiRobotRoomba Plus 507 Combo Robot + AutoWash Dock
$999.99