Robot Vacuums · Head to head

iRobot Roomba Max 705 vs iRobot Roomba Max 705 Combo

Full Robot Vacuums comparison in 2026

Updated November 2026
Data from the official iRobot site.
2026 verdict
Need the floors mopped too? Then the iRobot Roomba Max 705 Combo is the pick of these two Roomba robot vacuums, since it adds a full mopping system to the same LiDAR-mapped platform.
iRobot Roomba Max 705 Combo
Winner
iRobot Roomba Max 705 Combo
$1299.99
Buy on Amazon USA
Its extending roller mop is washed, heat-dried and lifted by an AutoWash dock that also self-empties and doses detergent. The iRobot Roomba Max 705 is the vacuum-only sibling with the same 120-minute rated battery, a compact AutoEmpty dock and owner reviews that are much steadier on reliability. Both share 13000Pa suction, obstacle avoidance, 2.4 and 5 GHz Wi-Fi and Matter support for Apple Home, SmartThings, Home Assistant, Alexa and Google Home. Choose the iRobot Roomba Max 705 Combo for hard floors that need regular mopping, and the iRobot Roomba Max 705 for carpet, pets and homes where dependability matters more.
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FeatureiRobot Roomba Max 705iRobot Roomba Max 705 ComboWinner
Price£679.00$1299.99iRobot Roomba Max 705
Rating3.72.5iRobot Roomba Max 705
Mopping FunctionalityNOYESiRobot Roomba Max 705 Combo
Auto Mop WashingNOYESiRobot Roomba Max 705 Combo
Auto Mop DryingNOYESiRobot Roomba Max 705 Combo
Warranty1 year1 yearTie
Battery Life120 minutes120 minutesTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi, 5 GHz WiFi, Bluetooth2.4 GHz WiFi, 5 GHz WiFi, BluetoothTie
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

What the differences mean

Mopping

The iRobot Roomba Max 705 Combo mops with an extending roller and its dock washes, dries and lifts the mop and dispenses detergent. The iRobot Roomba Max 705 does not mop at all, so hard floors still need a manual mop.

Battery life

Both the iRobot Roomba Max 705 and the iRobot Roomba Max 705 Combo are rated at 120 minutes. Combo owners report a medium home taking hours with recharge stops, and on paper the vacuum-only model is rated no longer.

Dock size

The iRobot Roomba Max 705 dock measures 213 x 172 x 290 mm, a small tower. The iRobot Roomba Max 705 Combo dock is 457 x 429 x 432 mm, because it holds water tanks and the mop washing system, so it needs a real corner.

Suction and navigation

No difference here: both are rated at 13000Pa, map with LiDAR, avoid obstacles, and set no-go zones across multiple rooms.

Which one to buy if

What owners say

Owners of both Roombas praise the same LiDAR mapping, fast and accurate with far less bumping than the older Roombas many of them replaced, and both groups report Wi-Fi setup failing when the router password has special characters. iRobot Roomba Max 705 owners add strong pet hair pickup on carpet, a quieter run and an AutoEmpty dock that saves weeks of bin duty, with a few mentions of the dock not fully clearing the bin or a false stuck error. iRobot Roomba Max 705 Combo owners who got a good unit love the dry, streak-free finish on hardwood and a dock that keeps the mop from smelling, but many describe failures within weeks: false tank errors, leaking docks, puddles from the dirty-water tank, broken app schedules, a loud run, short battery and unhelpful support.

Frequently Asked Questions

Which is better overall: iRobot Roomba Max 705 or iRobot Roomba Max 705 Combo?

The iRobot Roomba Max 705 Combo if you need mopping, since it adds a self-washing, self-drying roller mop to the same LiDAR navigation and suction. The iRobot Roomba Max 705 is the better vacuum-only choice, with steadier owner reports and a smaller dock.

What is the difference between the iRobot Roomba Max 705 and the iRobot Roomba Max 705 Combo?

The Combo mops. The iRobot Roomba Max 705 Combo has an extending roller mop and an AutoWash dock that washes, dries and lifts it, while the iRobot Roomba Max 705 is vacuum-only with a small AutoEmpty dock and the same rated 120 minutes of battery.

Do the iRobot Roomba Max 705 and the iRobot Roomba Max 705 Combo have the same suction?

Yes. Both are rated at 13000Pa, with carpet cleaning, an edge-sweeping side brush and self-emptying docks.

Do the iRobot Roomba Max 705 and the iRobot Roomba Max 705 Combo work with Apple Home?

Yes. Both support Matter, which brings them into Apple Home and SmartThings, and both also work with Home Assistant, Alexa and Google Home.

Who should buy the iRobot Roomba Max 705?

Pet owners with carpet and owners upgrading from an older Roomba who only need vacuuming with hands-off bin emptying.

Who should buy the iRobot Roomba Max 705 Combo?

Homes with mostly hard floors that want vacuuming and mopping in one robot, with a dock that cleans the mop, and buyers willing to keep an eye on the return window given its reliability reports.

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