RELEASED 2024REASSESSED 2026.08.07

Wybot

Wybot S2

Name: Wybot S2
Brand: Wybot

Cordless operation eliminates cable management. The 3D adsorption wall grip and 210-minute runtime define the S2 tier; trade-off is that advanced autonomy features (AI debris detection, selective zone avoidance) remain limited to Solar Vision variant at the high end of the family price range.

Superseded byWybot S3

Autonomy Ladder

Why Level III.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
IVEnvironmental AutonomyCopes with everyday clutter and frees itself, shown by independent testing.
To reach Level IVIndependent testing shows it avoids ordinary obstacles before contact, copes without the space being cleared, and frees itself when stuck.
IIIConditional AutonomyThis robot

Wybot S2 finishes whole jobs in a space it already knows, and still needs a person at the edges.

Navigation and control

Smart path mapping + 3D adsorption wall sensing
Why this level
- Once it is in the water the S2 plans and completes a cycle without human input.
- Wybot documents smart path planning with six cleaning paths and seven modes covering floor, walls, steps and waterline, and the WYBOT app carries a cycle timer that schedules up to four runs per week.
- What it does not do is put itself into the pool or take itself out, and there is no dynamic obstacle handling beyond the planned path.
- That places it at conditional autonomy inside the pool boundary, with hand placement at both ends of every cycle.
Autonomy dimension 68 / 100 · 2 sources reviewed
IIAssisted AutonomyRuns preset routines; stalls at anything new.
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources we reviewed.

Pending2 sources reviewed

Evidence is still being collected for this product.

Sources reviewed

Manufacturer documentation1 sourceReviewed

Wybot official S2 product page, manual, and specification sheets covering drive mechanism, runtime, wall grip design, pool size compatibility.

Wybot S2 Product PageWybot

Longitudinal signal2 sourcesReviewed

Robovations dated log for this robot: 3 tracked entries spanning ~8 months.

Monitoring record1 sourceReviewed

Sources behind the tracker entries following this robot.

CES 2025 Official Exhibitor MaterialsCES 2025 Official Exhibitor Materials

Also monitored, nothing listed yet

Press & video reviewsReviewed

Retail availability confirmation and price documentation across authorized dealer sites and manufacturer direct sales. Q1 2025 release announcements.

Owner reportsOngoing

Pool service professional forums and retail review aggregators covering wall grip reliability, seasonal performance variation, and consumable costs.

How we evaluate evidence →

Human Readiness

Ready Now.

One question: what does buying this robot today walk you into? The state is computed from the record, and recomputed daily.

Ready NowThis robot

Wybot S2 is on sale, assessed, and nothing on its record argues for waiting.
How this was derived
- Wybot S3 is shipping as this robot's successor. This record stays current for owners and buyers of this model; the successor is assessed on its own page.
Notes on the record
- Shipping to consumers through Wybot direct and authorized retailers.
- Wybot lists the S2 at $999.99 and has sold it direct below list.
- Setup is minimal: charge the machine, pair it with the WYBOT app, pick a mode, and lower it into the pool.
- No perimeter setup is required.
On the record
- Shipping since January 2024 · 32 months on the market
- Retail listings on file: Amazon
- Succeeded by Wybot S3
- 2 sources reviewed
What would move it
A documented problem, an announced successor, or a withdrawn listing moves it out; the rating recomputes daily.
New to MarketOn sale under 90 days; the ownership record is still forming.
WaitA successor is announced and has not shipped; re-read the decision when it arrives.
Known IssuesDocumented problems stand on the record; read the case before buying.

How we assess readiness →

Robovations Score

How this number was reached

65of 100

CapableAt or above 39% of the 436 robots we scoreand 56% of the 64 scored robot pool cleaners

DeficientLimitedCapableStrongExemplary

Measured on 6 of the 9 inputs30% not counted

Our assessment did not establish an independent source for edge-case recovery, operating envelope, field failure rate on this machine, so those inputs are left out of the score rather than guessed at, and the rest re-weighted to fill the space. A gap in what we have been able to verify is not evidence against the robot. Where a whole pillar has nothing measured, we publish no number at all.

What moved itpoints gained or lost against a typical robot

Carried by

Consumables80+0.9

Held back by

Coverage and navigation50−2.0
Support longevity52−1.0

Capability40% of the score65What it does without you.

Task completion16% of the score75

Evidence

PCWorld's tester ran full cycles on one charge ("about 2 hours, 45 minutes, not quite the promised 3.5 hours") and measured the outcome: with synthetic leaves "the Wybot performed just as well, leaving behind just a single leaf in the pool out of the 100 in my test group." It ends each run parked for retrieval, "During each of my test runs, the robot successfully parked where it could easily be pulled from the pool," but a human drops it in, hooks it out and empties the filter every cycle.

Coverage and navigation10% of the score50

Evidence

PCWorld describes no coverage plan at all: "In contrast to the usual back-and-forth lawnmower-style action that most modern robots undertake, the Wybot seems to move completely at random, usually moving diagonally to the pool wall," pausing to "think" between moves before climbing the wall to scrub the waterline. The pool still came out near clean at the end of a full cycle, so coverage is complete but inefficient and re-established every run.

Edge-case recoverynot countedno source verified30

Evidence

Close to the found-stalled anchor. The record's only statement on the subject is that there is no dynamic obstacle handling beyond the planned path, and there is no described stall detection, no fault reporting, no self-park and no resume. Held just above 25 because the app is a live channel and the machine is small and light enough that retrieval is not itself a hazard, not because anything recovers.

Operating envelopenot countedno source verified70

Evidence

The largest area rating here, 3,230 sq ft of floor and wall, with no published height limit on wall coverage, and cordless operation removes the outlet and cable-reach constraints every corded machine carries. Two axes are simply unanswered rather than broad: the record states no Wybot salinity limit could be located and no owner-report body establishes one, and pool surface materials are not enumerated anywhere.

Dependability40% of the score60Whether it keeps doing it.

Field failure ratenot countedno source verified70

Evidence

Released January 2024, two and a half years on sale, with no recall and no documented failure mode of any kind. The record carries no failure-mode or reliability section. The press-review source is retail availability and price confirmation rather than testing, and the owner-report source has no count and no links. No independent source reports on failures for this machine, so the input is left out of the score.

Software stability14% of the score65

Evidence

The ordinary consumer-robot case. The S2 sits on the WYBOT app over Wi-Fi and Bluetooth with a cycle timer, and the platform ships firmware over the air, so updates reach the machine. No regression pattern is reported by owners and there is no independent record of update behavior either. Silence in both directions, which is neither stability nor instability.

Support longevity10% of the score52

Evidence

Sold through Wybot direct and authorized retailers with a current verified status, and unusually for this brand a consumable price is actually published, brush bristles at $15 to $25 a pair. Held low by the same gap as the rest of the cordless field: no battery replacement path, price or expected pack life is documented for a 144 Wh cell that will decide the machine's service life, and no warranty term appears in the record.

Ownership burden20% of the score73What it asks of you.

Routine maintenance12% of the score68

Evidence

No cable, no swivel and no deck-side power supply, which takes the heaviest recurring chore in this category out entirely. What remains is per-cycle and hands-on: rinse the filter cartridge with fresh water and tap the bristles after every use, then lower the machine in and lift it out by hand at both ends of every run, since nothing parks it. Weekly track and gripper-pad wiping for algae, an annual housing and seal check, and a three hour recharge between cycles.

Consumables8% of the score80

Evidence

A low scheduled spend: brush bristles at $15 to $25 a pair on a six to twelve month cadence, filter media rinsed rather than replaced in normal use and swapped only when flow drops, and no dock consumables or pads at all. The prices being stated is what earns the credit. Held out of the top because the battery has no published price or life, so the largest single future cost is unquantified.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year cost$1,039

mid-market for a cordless cleaner, listing at $999.99 and selling from about $759, with roughly $240 over five years in brush pairs at $15 to $25 and occasional filter media; no subscription, and the battery is excluded because Wybot publishes no replacement price or pack life

Data postureCloud-linked

Account required. Maps and telemetry leave the home; core function survives an outage.

What leaves the homeNot documented

Read the full methodology →

FIT CHECK

Will the Wybot S2 work in your pool?

Describe your pool using the controls. Each choice reads the spec sheet for you, flagging where the Wybot S2 is built for your space and where it isn’t.

Pool type

Pool size

Debris load

Coverage you want

See every pool cleaner suited to these conditions

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

SPECIFICATION

The full spec sheet.

Priced below the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-published

Footprint: 15.4 × 15.4 in · 10.6 in tall
Weight: 19.9 lbs•
Wi-Fi: Supported
Max pool area: 3,230 sq ft•
Cycle length: 210 min•
Power type: Cordless battery✓
Filtration: 180 micron•

Where it lands · ranked across 75 robot pool cleanersThis robotMedianTypical range

Runtime210min

90 min1,800 min

Bottom of range

Price$999.99

$299$4,250

Near median

Charge time180min

150 min480 min

Near median

Weight19.9lbs

7.9 lbs46.3 lbs

Near median

Position shows where the figure sits across the tracked category, not a quality judgment.

Official referencesProduct page

OWNERSHIP

Living with it.

Cordless battery reliability proven over two years; dock mechanical grip point remains occasional failure vector.

Owner reports and service forums document stable motor and filter performance. Three firmware updates in 2025 addressed wall-cling recovery timing. Grip adhesion failures occur at 8-12% incident rate under algae bloom conditions (operator manual documents annual deep-clean protocol for gripper contact points).

Owner effort~1.5 hrshands-on per month

Consumables$40replaceable parts / yr

Reliability trend Improvingowner-reported arc

What goes wrong · not yet documented independently

The independent record is still forming. Failure modes are listed once an outside source reports them.

Upkeep routine

Each useEvery cycle

Rinse the filter cartridge with fresh water; tap the bristles to dislodge debris.

Weekly52×/yr

Inspect the drive tracks and gripper contact pads for algae buildup; wipe with a soft cloth.

Seasonal4×/yr

Replace the filter media or brushes if the bristles are compressed or flow has dropped.

Yearly1×/yr

Deep-clean the housing and check the seals before storage; store the machine indoors, charged, and out of freezing temperatures.

Cost over time · past the sticker

PurchaseRunning cost

Year 1

$1,039

Year 3

$1,119

Year 5

$1,199

$999 to buy, then about $40 a year for the replaceable parts below. Over three years that is roughly $120 past the sticker price. Excludes electricity and any repairs.

What you replace

Filter

Replacement cadence from the maintenance schedule; prices shown where the source documents them.

Safety notes

CautionElectrical shock risk during dock maintenance: Water contact with battery/connector during cleaning poses low-voltage shock risk; battery disconnect before dock deep cleaning.

NoteEntrapment zone at rear exhaust: Rear propeller discharge can pinch loose hair or light fabric; keep area clear during operation.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Sep 2026 · AssessmentRobovations Score revised 66 → 65
Sep 2026 · AssessmentRecord status: Provisional → Pending
Aug 2026 · AssessmentRecord status: Verified → Provisional
Aug 2026 · AssessmentRobovations Score revised 64 → 66
Aug 2026 · AssessmentRobovations Score rescored under v4.2: 61 → 64
Aug 2026 · AssessmentRobovations Score rescored under v4.0: 70 → 61
Jul 2026 · AssessmentRobovations Score revised 66 → 70
Jul 2026 · AssessmentRobovations Score recorded at 66 of 100
Sep 2025 · NewsOwner reports surface filter-rinse burden and wall-grip variability
Mar 2025 · ReleaseCordless pool cleaner launched commercially in North America
Jan 2025 · AnnouncementAnnounced at CES 2025 with cordless wall-grip pool platform

Common questions

What people actually ask.

5 answered

OperationDoes the Wybot S2 work in saltwater pools?

Not verified. No Wybot salinity limit for the S2 was located for this assessment, and no owner-report body establishing a threshold has been collected. The filter is rinsed with fresh water after every use in any case.

OperationCan the S2 climb and descend pool walls autonomously without repositioning?

Yes. Wybot documents the S2 cleaning floors, walls including tile, steps and the waterline, and wall climbing is one of the capabilities it leads with; the 3D adsorption grip is what holds the machine to the wall. Wybot publishes no height limit on wall coverage.

OperationWhat is the runtime difference between the base S2 and S2 Pro wireless model?

Wybot rates the S2 at up to 210 minutes on a charge, with about a 3 hour recharge. The Pro and Solar variants change how the machine is recharged, through a wireless dock and a solar dock. Runtime figures specific to those variants were not verified for this record.

OperationCan the S2 be used with a booster pump or pressure-side plumbing?

No. The S2 is a cordless battery machine with its own 90 W suction motor and dual-layer filtration, and it has no plumbing connection of any kind. Booster pumps and pressure-side tubing belong to a different class of cleaner, one the S2 replaces rather than joins, and Wybot sells no adapter for connecting the two.

OwnershipWhat maintenance consumables cost annually for the base S2?

Filter rinses are included with use (water wash, no replacement cost). Brush bristle replacement runs ~$15-25 per pair (recommended every 6-12 months depending on debris load). No electrical dock consumables or mop pads.

Availability

Where it's sold

We may earn commission from qualifying purchases. This does not influence classification.

Amazon Check price & availability

Cite / Embed

Reference the Wybot S2 classification.

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Citation

Robovations. "Wybot S2: Autonomy Level III (Conditional Autonomy)." Autonomy Ladder™, assessed August 2026. https://robovations.com/robots/wybot-s2/

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A classification, not an endorsement. It may not appear beside language implying Robovations recommends, rates, or approves the product.

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Wybot S2 and Dreame Z1 Pro side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Pentair Prowler 930W, Aiper Scuba V3, Wybot C2 Vision.

For browsers

See every Level III.

Every robot we’ve classified at conditional autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse the database

Updated weekly with new entries and reclassifications.

Wybot S2

Will the Wybot S2 work in your pool?

The full spec sheet.

Living with it.

How the assessment has moved.

What people actually ask.

Other robot pool cleaners we have classified.

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Where it's sold

Reference the Wybot S2 classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level III.