Price unavailable right now
Updated October 2026
Data from the official Eufy site.
2026 verdict
Eufy's own flagship makes the 11S MAX look like a different company's product: the eufy Omni S2 pairs 30,000Pa of suction with a roller mop that resists clogging.
Its dock also empties, washes, dries and doses detergent on its own, none of which the Eufy 11S MAX has. It also maps rooms with LiDAR, avoids cords and pet dishes with camera-based obstacle detection, and carries a two-year warranty against one for the older model. The Eufy 11S MAX answers with a much lower price, a slimmer 72.5mm body that fits under furniture the taller Omni S2 cannot reach, and a design plenty of buyers choose specifically because there is nothing to set up. Choose the eufy Omni S2 for a large, mostly open home that wants top-tier mopping and full smart-home reach; the Eufy 11S MAX only if a cheap, remote-only vacuum is genuinely all you want.
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| Feature | Eufy 11S MAX | eufy Omni S2 | Winner |
|---|---|---|---|
| Rating | 4.3 | 3.4 | Eufy 11S MAX |
| Warranty | 1 year | 2 years | eufy Omni S2 |
| Battery Life | 100 minutes | 179 minutes | eufy Omni S2 |
| Connectivity | None | 2.4 GHz WiFi, Bluetooth | eufy Omni S2 |
| Integrations | None | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | eufy Omni S2 |
| Navigation Type | Random (Bounce) | Laser (LiDAR) | eufy Omni S2 |
| Multi-Room Mapping | NO | YES | eufy Omni S2 |
| No-Go Zones | NO | YES | eufy Omni S2 |
| Suction Power | 2000Pa | 30000Pa | eufy Omni S2 |
| Mopping Functionality | NO | YES | eufy Omni S2 |
| Auto Mop Washing | NO | YES | eufy Omni S2 |
| Auto Mop Drying | NO | YES | eufy Omni S2 |
What the differences mean
Mopping
The Eufy 11S MAX has no mopping hardware. The eufy Omni S2 mops with a roller its dock washes, dries and doses with detergent automatically, and owners say it lifts stuck-on dirt better than a typical pad mop.
Suction
30,000Pa against 2,000Pa is a fifteen-fold gap, and eufy Omni S2 owners specifically note the suction staying consistent because the bin resists clogging.
Obstacle avoidance
The Eufy 11S MAX has a basic obstacle sensor with no camera. The eufy Omni S2 uses camera-based recognition that owners describe marking cords, shoes and pet dishes on the map and steering around them.
Body height
At 72.5 mm the Eufy 11S MAX is noticeably slimmer than the 98 mm eufy Omni S2, so it reaches under beds and cabinets the taller robot cannot clear.
Warranty
The eufy Omni S2 carries a two-year warranty against one year for the Eufy 11S MAX.
Which one to buy if
- pets track mud or sticky messes across hard floors
The eufy Omni S2's roller mop is what owners single out for lifting exactly that kind of dirt.
- low furniture clearance rules out a taller robot
At 72.5 mm the Eufy 11S MAX reaches under beds and cabinets the 98 mm eufy Omni S2 cannot clear.
- you specifically do not want an app, an account or Wi-Fi
The Eufy 11S MAX runs entirely off its bundled remote with nothing to set up.
- the home is large, open and mostly hard floor
The eufy Omni S2's suction, mopping and obstacle avoidance are built for that kind of scale.
- you want the simplest possible routine with no software to configure
Some eufy Omni S2 owners report its app and mapping struggling on complex layouts; the Eufy 11S MAX has no software at all to get confused.
Price unavailable right now
- + Rating: 4.3
- - Warranty: 1 year vs 2 years
- - Battery Life: 100 minutes vs 179 minutes
Winner
19% OFF
$1299.99
$1599.99
- + Warranty: 2 years
- + Battery Life: 179 minutes
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Rating: 3.4 vs 4.3
What owners say
eufy Omni S2 owners lead with the mopping, saying the roller lifts ingrained mud and sticky patches that other robot mops leave behind, and suction stays strong because the bin does not clog the way a rival flagship's did in one owner's side-by-side test. Obstacle avoidance draws some of the strongest praise in the whole lineup, with owners describing it marking shoes, cords and even a paper plate on the map and steering around them, and several like how quiet it stays outside the self-emptying cycle. Their complaints are the 98mm body missing some low furniture, a dock that needs real floor space, and software that can lose track on complex layouts. Eufy 11S MAX owners tell a much simpler story: quiet, thin, easy to live with, and happy to have no app at all, with only a minority reporting side-brush motors wearing out.
Frequently Asked Questions
Which is better overall: eufy Omni S2 or Eufy 11S MAX?
The eufy Omni S2 wins overall by a wide margin, adding room mapping, a self-cleaning roller mop, camera-based obstacle avoidance, stronger suction and a longer warranty. The Eufy 11S MAX only wins on price and its slimmer, no-app design.
What is the biggest difference between the eufy Omni S2 and the Eufy 11S MAX?
Smart features versus simplicity. The eufy Omni S2 has Wi-Fi, room mapping, a self-washing mop and camera-based obstacle avoidance. The Eufy 11S MAX has none of that: it is controlled with a remote and uses bump navigation with no mapping.
Does the Eufy 11S MAX connect to Wi-Fi like the eufy Omni S2?
No. The Eufy 11S MAX has no Wi-Fi, Bluetooth or app support and is controlled with the included remote. The eufy Omni S2 connects over Wi-Fi and reaches Alexa, Google Home, Apple Home, SmartThings and Home Assistant through Matter.
Will the eufy Omni S2 fit under my furniture better than the Eufy 11S MAX?
No, the opposite. The Eufy 11S MAX is 72.5 mm tall, noticeably slimmer than the 98 mm eufy Omni S2, so it reaches under lower furniture the newer robot cannot.
Who should buy the eufy Omni S2?
Choose the eufy Omni S2 for a large, mostly open home that wants a self-washing mop, camera-based obstacle avoidance and full smart-home reach, and does not mind paying a premium for that automation.
Who should buy the Eufy 11S MAX?
Choose the Eufy 11S MAX if you want the simplest, most affordable option: a quiet, slim vacuum-only robot with no app, no Wi-Fi and no setup, controlled entirely by remote.
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