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Robot Vacuums · Head to head

eufy Omni S2 vs iRobot Roomba Plus 505

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Eufy and iRobot sites.
2026 verdict
Price and Wi-Fi band tip this pair to the iRobot Roomba Plus 505: it typically costs less than the eufy Omni S2 and adds 5 GHz Wi-Fi alongside 2.4 GHz, where the eufy Omni S2 connects on 2.4 GHz only.
iRobot Roomba Plus 505
Winner
iRobot Roomba Plus 505
$695.00$999.9930% OFF
Buy on Amazon USACheck price
The eufy Omni S2 answers with roughly four times the rated suction, 30,000 Pa against 7,000 Pa, and a two-year warranty against one, while the two run for practically the same stretch per charge, 179 and 180 minutes. Both use LiDAR, empty themselves, and wash, dry and lift their mops automatically; only the eufy Omni S2 doses detergent on its own. For thick carpet or heavy shedding the eufy Omni S2 is the safer pick; for a lighter cleaning routine on a tighter budget, the iRobot Roomba Plus 505 holds its own.
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Featureeufy Omni S2iRobot Roomba Plus 505Winner
Price$1399.99$695.00iRobot Roomba Plus 505
Rating4.44.2eufy Omni S2
Warranty2 years1 yeareufy Omni S2
Battery Life179 minutes180 minutesiRobot Roomba Plus 505
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFi, 5 GHz WiFi, BluetoothiRobot Roomba Plus 505
Suction Power30000Pa7000Paeufy Omni S2
Auto RechargeYESYESTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie

What the differences mean

Suction power

The eufy Omni S2 is rated at 30,000 Pa against the iRobot Roomba Plus 505's 7,000 Pa, roughly four times the pull for thick carpet or heavy pet hair.

Wi-Fi band

The iRobot Roomba Plus 505 connects over 2.4 GHz and 5 GHz. The eufy Omni S2 is 2.4 GHz only, which can complicate setup on a router that keeps both bands separate.

Warranty

The eufy Omni S2 carries a two-year warranty; the iRobot Roomba Plus 505 is covered for one year.

Detergent dosing

The eufy Omni S2's dock adds cleaning solution to the mop water automatically. The iRobot Roomba Plus 505 washes and dries the mop pads but does not dose detergent on its own.

Price

The iRobot Roomba Plus 505 is typically the more affordable of the two; the eufy Omni S2 asks a premium for its suction and longer warranty.

Which one to buy if

What owners say

Owners of both like what their dock removes from the routine, but for different reasons. eufy Omni S2 owners praise a roller mop that lifts stuck-on mud and greasy marks other robot mops leave behind, and note suction that holds up because the bin does not clog, while flagging a 98 mm body that will not fit under some furniture and a very large dock that needs its own floor space. iRobot Roomba Plus 505 owners are struck by how fast and accurate the first LiDAR map is and how well it handles pet hair on hard floors and carpet together, but describe the unit as noticeably loud during its self-cleaning cycle, and some report navigation or bumper-stuck errors surfacing a few months in.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • eufy Omni S2
  • iRobot Roomba Plus 505

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Frequently Asked Questions

Which is better: eufy Omni S2 or iRobot Roomba Plus 505?

The iRobot Roomba Plus 505 wins overall on price and 5 GHz Wi-Fi, with practically the same runtime. The eufy Omni S2 has roughly four times the rated suction and a longer, two-year warranty.

How long do they run per charge?

The eufy Omni S2 is rated for 179 minutes and the iRobot Roomba Plus 505 for 180 minutes, practically the same.

Do both mop?

Yes. Both have docks that wash, dry and lift the mop. The eufy Omni S2 adds an automatic detergent dispenser, which the iRobot Roomba Plus 505 lacks.

Which one has more suction, the eufy Omni S2 or the iRobot Roomba Plus 505?

The eufy Omni S2, rated at 30,000 Pa against 7,000 Pa for the iRobot Roomba Plus 505.

Who should buy the iRobot Roomba Plus 505?

Budget buyers with mostly hard floors or low pile rugs who want a self-emptying, mop-washing robot with 5 GHz Wi-Fi, without paying for flagship suction.

Who should buy the eufy Omni S2?

Homes with thick carpet or heavy shedding that need the strongest suction, plus buyers who want a longer warranty and automatic detergent dosing.

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