Roborock S5 Max Review: Set-and-Forget Robot Vacuum Tested

We tested the Roborock S5 Max for several weeks in a busy home with hard floors, low-pile carpet, and two cats. It mapped every room on its first run, quietly swept floors each morning, and added a light mop pass before the household woke up. The question is whether that convenience holds up against real trade-offs like a small dustbin and light mopping.

Verdict: A reliable daily robot vacuum with excellent lidar navigation and quiet operation. The mopping is too light for serious cleaning, but the vacuum side delivers solid results for daily maintenance. 8.5/10.

Best for: Busy households with mostly hard floors and low-pile carpet who want hands-off daily vacuuming with an occasional light wipe.

Skip if: You need genuine scrubbing mopping, have dark-patterned rugs that confuse cliff sensors, or run a large pet-heavy home that would overflow the small dustbin daily.

The S5 Max is a mid-range robot vacuum designed for daily maintenance cleaning on hard floors and low-pile carpet.

At a glance

What we liked

Precise Lidar Mapping

The S5 Max uses lidar navigation to build a floor plan on its first run, and it updates that map in real time as furniture shifts. In our tests, it never bumped into chair legs or went wandering into the wrong room. You can label each room in the app and send the robot to a specific spot with a single tap. That level of precision sets it apart from older randomized-bounce robots and means you start seeing clean floors from day one, not after a week of "learning."

Quiet Enough for Daily Life

At 2000Pa on hard floors, the S5 Max runs at a volume where you can hold a conversation or watch TV in the same room. Even on carpet boost mode, the noise increase is noticeable but not jarring. For busy households, this matters. A vacuum you run while the kids nap or the dog sleeps is a vacuum that actually gets used daily. We found ourselves scheduling it for mid-afternoon cleanups rather than only running it when nobody was home.

Custom No-Go and No-Mop Zones

The app lets you draw invisible barriers for vacuuming and separate ones for mopping. You can tell the robot to avoid a pile of cables, keep away from a pet water bowl, or skip the shag rug when mopping. No magnetic strips, no tape on the floor. This flexibility made the S5 Max feel smarter than many robots we tested at similar prices. You set it once and forget it.

Solid Suction with Carpet Boost

On hard floors, 2000Pa is plenty for everyday crumbs and dust. When the robot detects carpet, it kicks suction higher automatically. We saw visible pickup differences on a low-pile hallway runner after switching from standard to carpet mode. The S5 Max also handles embedded pet hair on medium-pile carpet, though the brush needs cleaning afterward. For a vacuum that runs this quietly, the suction is impressive.

Where it falls short

Mopping Is a Damp Wipe at Best

The S5 Max drags a microfiber pad across the floor with a small water tank that drips moisture onto the pad. It is not scrubbing. Sticky spots from juice or dried food do not come up. You also cannot use floor cleaner in the tank, only water. For homes that need actual mopping on tile or vinyl, this is disappointing. We ended up using the mop function for light maintenance between deeper hand-mopping sessions, which is workable but not what most people hope for from a "vacuum and mop" robot.

Cliff Sensors Struggle with Dark or Patterned Rugs

The cliff sensors that prevent the robot from falling down stairs can mistake dark rugs for a drop-off. In our tests, a black-and-white geometric rug caused the S5 Max to reverse sharply, circle, or stop. We have seen owners solve this by covering the sensors with tape or setting a no-go zone, but it is an annoying limitation for a robot that otherwise navigates so well.

Small Dustbin Means Frequent Trips

The dustbin is noticeably smaller than many competitors. In a home with two cats, we had to empty it after every run. Skip a day, and the bin overflows mid-cycle. This is not a dealbreaker in smaller apartments or homes without pets, but it is worth knowing if you want a truly hands-off experience. Some competing robots at similar prices include self-emptying docks that solve this problem entirely.

Real-world performance

Daily Maintenance with Two Cats

We ran the S5 Max every morning in a home with two cats that shed year-round. It covered about 1200 square feet of mixed hard floors and low-pile carpet in roughly 60 minutes, using around 60 percent of its battery. Visible pickup on hard floors was good. On carpet, the boost mode lifted embedded fur that had settled overnight. We emptied the dustbin after each run. The lidar map updated once when we moved a cat tree, and the robot adjusted its path by the next run.

Hard Floors and Area Rugs

On a combination of tile, hardwood, and a low-pile wool rug, the S5 Max transitioned without getting stuck. The side brush handles most rug edges without getting caught. The no-mop zone feature was essential here. We drew a boundary around the rug to keep it dry. The robot detected the rug edge, stopped mopping before reaching it, and resumed after. That kind of smooth transition is rare even in more expensive robots.

Mopping Light Foot Traffic

We filled the water tank and ran a mop-only pass on a tiled kitchen after sweeping. The damp pad left the floor feeling slightly cleaner under bare feet, but visible dried spots from a coffee spill did not budge. For daily dust mopping between deeper cleans, the S5 Max works. For sticky messes, you still reach for a manual mop and bucket.

How it compares to alternatives

The Roborock S6 improves on the S5 Max with higher suction and a mopping system that vibrates instead of dragging. It costs more, but if scrubbing matters to you, the upgrade is worth it. The iRobot Roomba i7+ comes with a self-emptying dock, which solves the small dustbin issue entirely. Its navigation uses cameras instead of lidar, which works well in bright light but struggles in dark rooms. The Eufy RoboVac G30 is a cheaper alternative with similar suction but no lidar mapping. It uses a random navigation pattern and takes longer to cover the same area. If mapping precision and quiet operation are your top priorities, the S5 Max hits a better balance at its price point.

Who should buy it

The S5 Max is for households that want a set-it-and-forget-it daily vacuum on hard floors and low-pile carpet. If your home is mostly tile, hardwood, or vinyl with a few thin rugs, and you need a quiet robot vacuum that maps your space accurately and stays out of trouble, this is a strong pick under $400.

Skip the S5 Max if you have thick or dark-patterned rugs, a large home with multiple shedding pets, or any expectation of real mopping. For those scenarios, a robot with self-emptying, better cliff sensors, or active scrubbing will frustrate you less over time.

At this price, you get lidar navigation that rivals robots costing twice as much, reliable app controls, and quiet suction that makes daily use practical. The trade-off is a dustbin you empty often and a mop that only freshens, not cleans. For the right home, those trade-offs are easy to live with.

FAQ

How much area can it clean on a single charge?

A fully charged S5 Max can handle about 2000 square feet of mixed flooring in around 90 minutes, with battery to spare. If the charge drops low mid-cycle, it automatically docks, recharges to 80 percent, and resumes right where it stopped.

Does long hair get tangled in the brush?

Yes, the main brush does wrap long human hair more than some rubber brush designs, so plan to clean it weekly. The included cutting tool makes the job fast, but it is a routine chore. If hair tangling is your top concern, check our best vacuums for long hair roundup for tangle-free alternatives.

Can it climb thick rugs or high-pile carpet?

It handles low to medium-pile rugs easily, but high-pile or shag rugs can catch the side brush and stop the robot. In our tests, we just set a no-go zone for those areas.

Should I use floor cleaner in the water tank?

No, the tank is designed for water only. Adding cleaner can clog the system. The manufacturer advises against it to prevent damage.

Can I set no-go zones for specific rooms?

Yes. The app lets you draw rectangular no-go zones and invisible walls on your map. You can also set separate no-mop zones, which stop the mop function but still allow vacuuming in that area. This worked reliably in our tests.

Is the Roborock S5 Max compatible with Google Home?

Yes. The S5 Max works with both Alexa and Google Assistant. You can start, stop, or send the robot to a specific room by voice. We tested Alexa integration and it responded consistently, though room names need to match what you set in the app.

Bottom line

The Roborock S5 Max delivers excellent lidar navigation and quiet, effective vacuuming at a fair price. Its mopping function is an extra, not a feature to buy for, and the small dustbin requires daily attention in pet homes. For busy households with hard floors who want a dependable daily vacuum that learns your floor plan quickly and stays quiet, it is one of the better values in its class. Read our how we test and review page to understand our process.