How much hands-on maintenance does the dock need?

It auto-empties into a 3.2 L bag and refills the robot from a 4.5 L clean tank, though the mop wash tray needs occasional manual wiping.

Will it fit under my furniture?

The robot is 4.1 inches tall, so it fits under taller furniture but may not clear very low sofas or cabinets.

Can it get over thresholds between rooms?

It clears obstacles up to 20 mm, so it handles standard door sills but may stop at taller thresholds.

Does it use cleaning detergent?

Yes. The dock automatically dispenses detergent when washing the mop and refills the robot from a 4.5 L clean tank.

How adjustable is the mopping for different floors?

The mop offers 32 moisture levels, so you can run a light damp pass or a wetter wipe depending on the floor.

Top 26% overall

Mova S20 Ultra

Name: Mova S20 Ultra
Brand: Mova

Strong value and sharp navigation with light mopping for hands-off hard-floor care.

$329.41

Buy at Walmart Best price

Compare 2 retailers · We may earn a commission if you make a purchase

8.6

At a glance

The highlights

Our Rating

8.6/10

Good

Cleaning7.2

Navigation8.6

Features8.5

ValueOutperforms its price

$329.41

$9 below 90-day avg

Hands-free dock

Empties its own dustWashes its mopDries its mopRefills its waterDrains dirty waterAdds detergentCleans its dock

8,300 Pa

Modest suction

Vibrating mop pad

Self-washing, lifts on carpet

LiDAR navigation

LiDAR mapping · AI camera obstacle avoidance · Night-vision light

Dual (rubber)

Where to buy

Compare prices

WalmartBest price

$329.41 Buy

Amazon

$365.00 Buy

We may earn a commission if you make a purchase

Price history

Is now a good time?

Good time to buy

Current best price is $9 below the 90-day average

The Mova S20 Ultra is $329 right now, $9 below its 90-day average of $339. Over the period we have tracked it from $169 to $499.

Low $169Avg $339High $499

The good

Pros

Navigation pairs LiDAR, an RGB camera, AI, and 3D structured light for accurate mapping.
Strong value rating brings premium automation to a more accessible setup.
Dock empties, refills, washes, and air-dries the mop.
Vibrating mop with 32 moisture levels lifts to keep carpet dry.
4-level mapping and no-go zones suit complex, multi-floor homes.
210-minute runtime covers large floor plans on a charge.

The trade-offs

Cons

8,300 Pa suction is low, better for light debris than deep carpet.
Vibrating mop pad sits low on the mopping ladder, wiping rather than scrubbing.
No anti-tangle system, so long hair can wrap the brush in pet homes.
Dock self-cleaning is not built in, so the wash tray needs occasional wiping.

How the numbers stack up

Performance vs the category

At 8,300 Pa, suction is on the modest side (median 15,000 Pa).
Runtime comes in at 210 min, right around the category median (category median 200 min).
At 20 mm, threshold clearance is about average for the robots we track (median 20 mm).
Mop pressure of 3.5 N is on the modest side (category median 10.5 N).
Dock dust bag comes in at 3.2 L, larger than most, ahead of about 59% of robots (category median 3 L).

Who it's for

Budget-savvy, mostly hard-floor homes that want sharp navigation, light mopping, and strong value over deep cleaning power.

Who should skip it

Homes with thick carpet or shedding pets that need strong suction and real scrubbing should look elsewhere.

The bottom line

Our take

The Mova S20 Ultra offers sharp navigation, light vibrating mopping, and strong value with a self-emptying dock. For mostly hard-floor homes that want hands-off maintenance over deep cleaning, it keeps floors tidy with little effort.

Questions

Frequently asked

Every detail

Full specifications

Specifications

Head to head

How it compares

DEEBOT T80 Omni

X40 Ultra

DEEBOT T50 Max Pro Omni

8.6vs8.2

See comparison

Similar robot vacuums

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Mova S20 Ultra

$329.41 · Best price

We may earn a commission if you make a purchase

Buy at WalmartBuy - $329

Top 26% overall

Mova S20 Ultra

Strong value and sharp navigation with light mopping for hands-off hard-floor care.

$329.41

Buy at Walmart Best price

Compare 2 retailers · We may earn a commission if you make a purchase

8.6

At a glance

The highlights

Our Rating

8.6/10

Good

Cleaning7.2

Navigation8.6

Features8.5

ValueOutperforms its price

$329.41

$9 below 90-day avg

Hands-free dock

Empties its own dustWashes its mopDries its mopRefills its waterDrains dirty waterAdds detergentCleans its dock

8,300 Pa

Modest suction

Vibrating mop pad

Self-washing, lifts on carpet

LiDAR navigation

LiDAR mapping · AI camera obstacle avoidance · Night-vision light

Dual (rubber)

Where to buy

Compare prices

WalmartBest price

$329.41 Buy

Amazon

$365.00 Buy

We may earn a commission if you make a purchase

Price history

Is now a good time?

Good time to buy

Current best price is $9 below the 90-day average

The Mova S20 Ultra is $329 right now, $9 below its 90-day average of $339. Over the period we have tracked it from $169 to $499.

Low $169Avg $339High $499

The good

Pros

Navigation pairs LiDAR, an RGB camera, AI, and 3D structured light for accurate mapping.
Strong value rating brings premium automation to a more accessible setup.
Dock empties, refills, washes, and air-dries the mop.
Vibrating mop with 32 moisture levels lifts to keep carpet dry.
4-level mapping and no-go zones suit complex, multi-floor homes.
210-minute runtime covers large floor plans on a charge.

The trade-offs

Cons

8,300 Pa suction is low, better for light debris than deep carpet.
Vibrating mop pad sits low on the mopping ladder, wiping rather than scrubbing.
No anti-tangle system, so long hair can wrap the brush in pet homes.
Dock self-cleaning is not built in, so the wash tray needs occasional wiping.

How the numbers stack up

Performance vs the category

At 8,300 Pa, suction is on the modest side (median 15,000 Pa).
Runtime comes in at 210 min, right around the category median (category median 200 min).
At 20 mm, threshold clearance is about average for the robots we track (median 20 mm).
Mop pressure of 3.5 N is on the modest side (category median 10.5 N).
Dock dust bag comes in at 3.2 L, larger than most, ahead of about 59% of robots (category median 3 L).

Who it's for

Budget-savvy, mostly hard-floor homes that want sharp navigation, light mopping, and strong value over deep cleaning power.

Who should skip it

Homes with thick carpet or shedding pets that need strong suction and real scrubbing should look elsewhere.

The bottom line