Roborock S4 Max Review
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The Roborock S4 Max delighted top testers with its automation features, as well as how it was able to clean bare floors. They liked that its companion app was easy to use and that it is also equipped with a HEPA filter.
Unfortunately, the S4 Max has high maintenance needs and struggles on low pile carpets.
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What Is Not on the Box
What the brand doesn’t always tell you…
our Verdict
The Roborock S4 Max had product testers quite happy with its automation features. During their tests, experts from Rtings could map out their cleaning area through the easy-to-use Roborock app and set up both virtual boundaries and no-go zones.
They could also schedule cleaning times, remote pilot it, and adjust the suction power settings. These are automation features that the S4 Max shares with the Roborock S4.
Testers at Digital Trends were also impressed with how it maneuvered around obstacles. They credited this to its use of Laser lidar navigation which is lacking on the ONSON GOOVI F007.
The S4 Max also impressed testers with its cleaning ability, as it could eliminate 99% of large debris and small debris and 100% of pet hair on bare floors.
Reasons to Buy
- Great automation features
- Anti-allergy HEPA filter
- Impressive battery performance
- Standard-sized dirt compartment
- Various cleaning modes
Reasons to Avoid
- High maintenance needs
- Not ideal for low pile carpets
- No “dirt bin full” indicator
Specifications
- Auto Docking & RechargingYes
- Bin Capacity0.13 gallons
- Carpet Height AdjustmentsYes
- Cleaning Path WidthUnknown
- Cliff SensorUnknown
- Compatible Floor TypeAll floors
- Filter TypeHEPA, Washable
- HypoallergenicYes
- PetYes
- Product Weight8 pounds
- Room-by-Room navigationUnknown
- Self-EmptyingNo
- Works WithAmazon Alexa
Overview
The Roborock S4 Max is a mid-tier robot vacuum that was first announced in 2021. It is one of the best rated vacuum cleaners for users that prefer autonomous cleaning, and with a run time of up to 204 minutes, it is well suitable for cleaning medium to large size rooms.
It has a dirt compartment that can hold up to 0.42-liters of debris, which is even larger than some highly rated robot vacuums like the Roborock H7, which can hold up to 0.25-liters.
The S4 Max also comes equipped with an anti-allergy HEPA filter to filter out up to 99.99% of allergens, and it offers four different power suction modes to choose from Quiet, Normal, Turbo, and Max.
When carpet mode is switched on, it can detect carpets and switch to Max for effective cleaning. In this setting, the S4 Max also doesn’t get as disruptive, as it has a fairly low noise level of 69 decibels.
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Product Comparison
 |  |  | ||
| True Score | 81 | 79 | ||
| Market Context | – | The Roborock S4 Max is no match for the Roborock S5 since the S5 has a shorter recharge time of 173 minutes compared to the S4 Max, which takes 300 minutes to charge. Also, the S5 works slightly better on low pile carpets, clearing 99% of pet hair than the S4 Max, which manages 78% clearance. | The Roborock S4 Max has a larger 0.42-liter dirt compartment compared to the Wyze Robot Vacuum, which has a smaller 0.21-liter dirt canister. The S4 Max also has a longer run time of 207 minutes compared to the Wyze Vacuum, which can only keep going for up to 134 minutes. However, the Wyze Vacuum cleans pet hair on low carpets more efficiently compared to the S4 Max, as it clears up to 96% compared to the latter’s 78%. | The Roborock S4 Max lacks an electronic water tank, which is present on the Roborock S5 Max. This makes the S5 Max more efficient at mopping. The S5 Max also has a higher suction level of up to 20 CFM, making it slightly more powerful than the S4 Max, which gets up to 17.74 CFM. |
| Bin Capacity | – | |||
| Pet | – | |||
| Product Weight | – | |||
| Compatible Floor Type | – | |||
| Auto Docking and Recharging | – | |||
| Dig Deeper | – | Read Review → | Read Review → |
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Availability
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Score Card
E
Expert Score
*.75
We place a 75% weighted value on Expert Test Scores
C
Customer Score
*.25
We place a 25% weighted value on Customer Scores
True Score
Any product with a True Score above 80 is a Absolutely Fresh
Expert Score Breakdown
Publications with higher Trust Scores are given more weight
ATrust Score
58The Roborock S4 Max is excellent for bare floors. It easily clears pet hair and… read more- B
Trust Score
74If you are searching for all-around great performance, as well as a great value, then… read more - C
Trust Score
94Results are in, and the S4 Max didn’t disappoint. The S4’s successor offers the same… read more - D
Trust Score
96“No bottom line found for this product” read more - D
Trust Score
80“No bottom line found for this product” read more - D
Trust Score
80Do one thing and do it well. That’s the best way to sum up the… read more
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