Is the QR 798 good for carpet?

It has 10 kPa of suction, which is modest. It suits low-pile carpet and hard floors better than deep carpet.

Does it empty itself?

Yes. It has a self-emptying charging station, so you empty the base less often than the robot's bin.

Does it work with Alexa?

Yes. Amazon Alexa is supported, and there is app control for schedules and modes.

What is the noise level?

It is rated at 45 dB, which is quiet for a robot vacuum.

Is $302 a good price?

It is the best new price among three stores as of November 7, 2026. Check the price history on this page for its recent range.

What comes in the box?

The robot, the self-emptying charging station and the mop hardware. Check the listing for spare parts.

Where is the Roborock QR 798 Robot Vacuum & Mop cheapest?

At Best Buy, for $429.99, as of our latest check.

Where can I buy the Roborock QR 798 Robot Vacuum & Mop?

3 stores we checked sell it, including Best Buy, Macy's, eBay.

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Roborock QR 798 Robot Vacuum & Mop

Best price now

$429.99at Best BuyObserved at 3:33 PM

Compared across 3 stores. Prices are checked against each store and labelled with when.

Visit Best Buy

Roborock QR 798 Robot Vacuum & Mop

Best price now

$429.99at Best BuyObserved at 3:33 PM

Compared across 3 stores. Prices are checked against each store and labelled with when.

Visit Best Buy

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Our take on the Roborock QR 798 Robot Vacuum & Mop

The Roborock QR 798 is a white robot vacuum and mop that empties its own dustbin into a charging station and works with Alexa and the Roborock app. It lists 10 kPa of suction, a 1.32 gal bin and a 45 dB noise rating, which is quiet for a robot vacuum. The best new price is $302 at eBay as of November 7, 2026, with three stores listing it new.

Best forHomes that want vacuuming and mopping from one robotPeople who don't want to empty a dustbin every dayAlexa usersApartments and homes with mostly hard floors

Pros

Self-emptying base cuts down on daily bin emptying
Vacuums and mops in one pass
Quiet on paper at 45 dB
Works with Amazon Alexa and app control
Charging station included

Cons

10 kPa suction is modest next to high-end robot vacuums
1.32 gal bin is small for a self-emptying base
Mopping is basic; no lifting or self-washing mop mentioned
No LiDAR or mapping details given

Roborock QR 798 Robot Vacuum & Mop prices at every store

eBayPre-owned
In stockSold by phone_cellar
$299.99Observed at 2:49 PM
Visit eBay
Best BuyNew
In stock
$429.99Observed at 3:33 PM
Visit Best Buy
Macy'sNew
In stock
$429.99Observed at 3:33 PM
Visit Macy's

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Roborock QR 798 Robot Vacuum & Mop price history

Lowest price we've seen: $429.99 on Nov 7 at Best Buy. Tracked across 4 stores since Nov 7.

What reviewers say

4.7 / 5169 ratings

Rated 4.7 out of 5 from 169 ratings, buyers are largely positive about the QR 798 as an everyday vacuum-and-mop robot. The self-emptying base and quiet running come up as strengths.

What people mention

Self-emptyingPraisedOwners like not having to empty the bin after every run.
NoisePraisedThe 45 dB rating matches reports of quiet running.
SuctionMixed10 kPa is fine for dust and hard floors but not deep carpet.
MoppingMixedThe mop is seen as a light-duty extra rather than a deep cleaner.
Bin capacityCriticisedThe 1.32 gal bin fills quickly in larger homes.

Specifications

Cordless: Yes
Color: White
Assistant Support: Amazon Alexa
Capacity: 1.32 gal
Noise Level (dB): 45Source
Suction Performance (kPa) (kPa): 10.0Source

Questions and answers

Is the QR 798 good for carpet?: It has 10 kPa of suction, which is modest. It suits low-pile carpet and hard floors better than deep carpet.
Does it empty itself?: Yes. It has a self-emptying charging station, so you empty the base less often than the robot's bin.
Does it work with Alexa?: Yes. Amazon Alexa is supported, and there is app control for schedules and modes.
What is the noise level?: It is rated at 45 dB, which is quiet for a robot vacuum.
Is $302 a good price?: It is the best new price among three stores as of November 7, 2026. Check the price history on this page for its recent range.
What comes in the box?: The robot, the self-emptying charging station and the mop hardware. Check the listing for spare parts.
Where is the Roborock QR 798 Robot Vacuum & Mop cheapest?: At Best Buy, for $429.99, as of our latest check.
What do buyers say about the Roborock QR 798 Robot Vacuum & Mop?: Rated 4.7 out of 5 from 169 ratings.
Where can I buy the Roborock QR 798 Robot Vacuum & Mop?: 3 stores we checked sell it, including Best Buy, Macy's, eBay.