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Robot Vacuums · Head to head

iRobot Roomba 105 Combo vs iRobot Roomba Plus 505

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
Buyers who never want to empty a bin or rinse a pad should go for the iRobot Roomba Plus 505 over the iRobot Roomba 105 Combo.
iRobot Roomba Plus 505
Winner
iRobot Roomba Plus 505
$695.00$999.9930% OFF
Buy on Amazon USACheck price
Its AutoWash dock empties the robot and washes and dries the mop pads, the pads lift over carpet, it runs for a rated 180 minutes against 120, joins 5 GHz Wi-Fi, and works with Apple Home, SmartThings, Home Assistant and Matter besides Alexa and Google Home. The iRobot Roomba 105 Combo is the entry-level robot vacuum and mop of iRobot's range, and its one win is price: it keeps LiDAR mapping, no-go zones and a water-only mop pad, but you empty and rinse everything yourself. Choose the iRobot Roomba Plus 505 for a hands-off routine, and the iRobot Roomba 105 Combo for a first robot in a small home.
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FeatureiRobot Roomba 105 ComboiRobot Roomba Plus 505Winner
Price$179.00$695.00iRobot Roomba 105 Combo
Battery Life120 minutes180 minutesiRobot Roomba Plus 505
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFi, 5 GHz WiFi, BluetoothiRobot Roomba Plus 505
IntegrationsGoogle Home, AlexaGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatteriRobot Roomba Plus 505
Auto Mop WashingNOYESiRobot Roomba Plus 505
Auto Mop DryingNOYESiRobot Roomba Plus 505
Self-Emptying DustbinNOYESiRobot Roomba Plus 505
Rating4.24.2Tie
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie

What the differences mean

Dock

The iRobot Roomba Plus 505 AutoWash dock empties the bin and washes and dries the mop pads. The iRobot Roomba 105 Combo has no self-emptying dock, so the bin is emptied and the pad rinsed by hand.

Mop lifting

The iRobot Roomba Plus 505 lifts its pads over carpet, so one run covers hard floors and rugs. The iRobot Roomba 105 Combo cannot lift its pad and avoids rugs in combo mode.

Smart home platforms

Both work with Alexa and Google Home. The iRobot Roomba Plus 505 adds Apple Home, SmartThings, Home Assistant and Matter; the iRobot Roomba 105 Combo supports none of the four.

Wi-Fi

The iRobot Roomba Plus 505 joins 2.4 GHz and 5 GHz networks, the iRobot Roomba 105 Combo 2.4 GHz only.

Battery life

180 minutes against 120 is a clear gap, an extra hour per charge. Both suit small and medium homes and recharge at the dock on their own.

Which one to buy if

Winner
iRobot

iRobot Roomba Plus 505

30% OFF
$695.00
$999.99
Buy on Amazon USACheck price
  • + Battery Life: 180 minutes
  • + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Price: $695.00 vs $179.00

What owners say

Owners of both Roombas praise the LiDAR mapping and pet-hair pickup on hard floors and carpet. iRobot Roomba Plus 505 owners single out a usable map of a whole floor on the first run and the AutoWash dock rinsing the pads mid-cycle, then emptying and drying everything at the end; they warn that it runs loud, especially while the dock cleans, and some report bumper-stuck or docking errors a few months in and trouble getting warranty help when bought from third-party sellers. iRobot Roomba 105 Combo owners like the simple scheduling and quiet runs, but describe a first map that took several runs or manual edits, a combo mode that avoids rugs, and reliability problems appearing months after purchase.

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.

  • iRobot Roomba 105 Combo
  • iRobot Roomba Plus 505

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Frequently Asked Questions

Which is better: iRobot Roomba 105 Combo or iRobot Roomba Plus 505?

The iRobot Roomba Plus 505. Its AutoWash dock empties the robot and washes and dries the mop pads, the pads lift over carpet and it supports Apple Home, SmartThings, Home Assistant and Matter. The iRobot Roomba 105 Combo is the cheaper option with manual upkeep.

What is the difference between the iRobot Roomba 105 Combo and the iRobot Roomba Plus 505?

The dock and the mop. The iRobot Roomba Plus 505 self-empties and washes, dries and lifts its mop pads; the iRobot Roomba 105 Combo does none of that. Both navigate by LiDAR with multi-room maps and no-go zones.

Does the iRobot Roomba 105 Combo empty itself like the iRobot Roomba Plus 505?

No. The iRobot Roomba 105 Combo has no self-emptying dock, while the iRobot Roomba Plus 505 empties its bin into the AutoWash dock after each run.

Do the iRobot Roomba 105 Combo and the iRobot Roomba Plus 505 work with Apple Home?

Only the iRobot Roomba Plus 505 does, along with SmartThings, Home Assistant and Matter. The iRobot Roomba 105 Combo works with Alexa and Google Home.

Who should buy the iRobot Roomba 105 Combo?

First-time buyers in small, mostly hard-floor homes who want methodical LiDAR cleaning and a light mop pass and do not mind emptying the bin.

Who should buy the iRobot Roomba Plus 505?

Pet owners and mixed-floor homes that want a self-emptying vacuum and mop that washes and dries its own pads, and Apple Home or Matter households.

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