Winner
Updated November 2026
Data from the official iRobot and Shark sites.
2026 verdict
iRobot Roomba Plus 678 Combo Robot + AutoWash Dock wins the 2026 matchup against Shark PowerDetect 2-in-1, mainly on rating and integrations.
It separates itself most clearly on rating and integrations, while still looking better on its broader overall balance. You should still consider Shark PowerDetect 2-in-1 if price matters more than raw overall balance. For most setups, iRobot Roomba Plus 678 Combo Robot + AutoWash Dock is the smarter buy.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
52% OFF
$399.99
$829.00
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock | Shark PowerDetect 2-in-1 | Winner |
|---|---|---|---|
| Price | $899.99 | $399.99 | Shark PowerDetect 2-in-1 |
| Rating | 4.9 | 4.0 | iRobot Roomba Plus 678 Combo Robot + AutoWash Dock |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Home Assistant | 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 |
| No-Go Zones | YES | YES | Tie |
| Carpet Cleaning | YES | YES | Tie |
Winner
$899.99
- + Rating: 4.9
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $899.99 vs $399.99
52% OFF
$399.99
$829.00
- + Price: $399.99
- - Rating: 4.0 vs 4.9
- - Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 678 Combo Robot + AutoWash Dock or Shark PowerDetect 2-in-1?
iRobot Roomba Plus 678 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for rating and integrations.
What is the biggest difference between iRobot Roomba Plus 678 Combo Robot + AutoWash Dock and Shark PowerDetect 2-in-1?
Price is one of the clearest differences: iRobot Roomba Plus 678 Combo Robot + AutoWash Dock lists $899.99, while Shark PowerDetect 2-in-1 lists $399.99.
Which one looks better on price?
iRobot Roomba Plus 678 Combo Robot + AutoWash Dock is listed at $899.99, while Shark PowerDetect 2-in-1 is listed at $399.99. Shark PowerDetect 2-in-1 (better spec).
Who should buy iRobot Roomba Plus 678 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Plus 678 Combo Robot + AutoWash Dock if your priority is rating and integrations and that matters more than price.
Who should buy Shark PowerDetect 2-in-1?
Choose Shark PowerDetect 2-in-1 if your priority is price and that matters more than rating.
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