Robot Vacuums · Head to head

iRobot Roomba Plus 505 vs Roborock Saros 20 Flow

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official iRobot and Roborock sites.
2026 verdict
iRobot Roomba Plus 505 has the better all-around case than Roborock Saros 20 Flow in 2026, starting with price and connectivity.
iRobot Roomba Plus 505
Winner
iRobot Roomba Plus 505
$699.99$999.9930% OFF
Buy on Amazon USACheck price
Its clearest strengths are price and connectivity, and it still looks stronger on its broader overall balance. There is still a case for Roborock Saros 20 Flow, but mainly if suction power is what you value most. For most setups, iRobot Roomba Plus 505 is the smarter buy.
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FeatureiRobot Roomba Plus 505Roborock Saros 20 FlowWinner
Price$699.99$1699.99iRobot Roomba Plus 505
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFiiRobot Roomba Plus 505
Suction Power7000Pa36000PaRoborock Saros 20 Flow
Rating4.24.2Tie
Warranty1 year1 yearTie
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
No-Go ZonesYESYESTie

Frequently Asked Questions

Which is better overall: iRobot Roomba Plus 505 or Roborock Saros 20 Flow?

iRobot Roomba Plus 505 has the stronger overall profile in this comparison, especially for price and connectivity.

What is the biggest difference between iRobot Roomba Plus 505 and Roborock Saros 20 Flow?

Price is one of the clearest differences: iRobot Roomba Plus 505 lists $699.99, while Roborock Saros 20 Flow lists $1699.99.

Which one looks better on price?

iRobot Roomba Plus 505 is listed at $699.99, while Roborock Saros 20 Flow is listed at $1699.99. iRobot Roomba Plus 505 (better spec).

Who should buy iRobot Roomba Plus 505?

Choose iRobot Roomba Plus 505 if your priority is price and connectivity and that matters more than suction power.

Who should buy Roborock Saros 20 Flow?

Choose Roborock Saros 20 Flow if your priority is suction power and that matters more than price.

Full comparison table

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