Ownership burden/Robot Pool Cleaners/4 robots compared/Reviewed Jun 1, 2026

Cordless versus corded pool cleaners: ownership costs over one season

$1,375 to $2,694One season total. Purchase price is between 80% and 93% of what these machines actually cost to run.

View recordAiperIIIScuba V3One season total$1,375 purchase + $275 upkeep

View recordMaytronicsIIPremierOne season total$2,694 purchase + $195 upkeep

View recordPolarisIIIAlpha iQ+One season total$1,997$1,650 purchase + $347 upkeep

View recordBeatbotIIIAquaSense 2 ProOne season total$2,499 purchase + $200 upkeep

Full specifications20 measurements · 55 of 80 documented

MSRP

$1,099.99

$2,499

$1,649.95

$2,299

Rated runtime

180 min

Not documented

660 min

Charge time

480 min

Not documented

Battery capacity

175 Wh

Not documented

256 Wh

Battery type

Li-ion

Not documented

Li-ion

Noise level

Not documented

78 dB

62 dB

Navigation

VisionPath: front-facing AI camera plus dToF sensing, roughly 2 m detection range, recognizing 20-plus debris types and steering toward detected debris

CleverClean scanning coverage of floor, walls and waterline, computed live rather than from a stored map. Vector Climbing Technology with dual stabilizers for wall and waterline work. No map storage, no route programming, no remote.

Deliberate Navigation with the Sensor Nav System, which adjusts to changing water depth and acceleration during a cycle, plus 4-wheel-drive obstacle navigation

CleverNav path planning with SonicSense ultrasonic sensing, 22 onboard sensors of which 2 are ultrasonic. Wall climbing with waterline following; water surface skimming and surface parking.

Connectivity

wifi, bluetooth

Not documented

wifi, bluetooth

Dimensions (W×D×H)

7.9 × 9.8 × 8.7 in

16.1 × 16.7 × 10.1 in

18 × 22 × 14 in

17.2 × 17.8 × 10.6 in

Weight

18.1 lbs

20.3 lbs

22 lbs

25.1 lbs

Readiness

Ready Now

Released

Jan 2026

Jan 2015

Dec 2022

Feb 2025

Max pool area

1,615 sq ft

Not documented

3,875 sq ft

Cycle length

180 min

180 minutes

Not documented

Filtration

180 micron

Not documented

150 micron

Surfaces cleaned

Floor, walls and waterline

Floor, floor/wall/waterline, or waterline only

Water surface, floor, walls, waterline

Power type

Cordless battery

Corded (deck-side power supply with weekly timer)

Corded

Cordless battery

Filter capacity

3.5 L

Not documented

5 L

3.7 L

Max pool length

Not documented

50 ft

Not documented

Cable length

Not documented

70 ft

Not documented

Cost of ownership over one season

What each robot actually costs to own

Purchase price plus documented consumables, subscription gating, and replacement events. Bars share one dollar scale, so length is directly comparable. Costs are typical, drawn from manufacturer maintenance guides and owner reports.

PurchaseConsumables

Aiper Scuba V3$1,100 purchase

$1,375One season total+$275 past purchase

MSRP$1,100
Replacement brushes$180
Filter cartridges$95

Polaris Alpha iQ+$1,650 purchase

$1,997One season total+$347 past purchase

MSRP$1,650
Filter cartridges$224
Brush heads$123

Beatbot AquaSense 2 Pro$2,299 purchase

$2,499One season total+$200 past purchase

MSRP$2,299
Filter pads$140
Side brush$60

Dolphin Premier$2,499 purchase

$2,694One season total+$195 past purchase

MSRP$2,499
Cartridge filters$145
Wear parts$50

Documented failure events

When things break, and what they cost

Field-reported failures placed on the ownership timeline, with associated repair or replacement costs. Sourced from owner forums and manufacturer service documentation.

Week 8 · Aiper Scuba V3Minor

Filter cartridge clogging

$95 (cartridge replacement)

High pollen season accelerates debris accumulation in the primary filter. Replacement cartridges are user-serviceable but require removal and soaking of the fouled unit.

Aiper owner reports · Reddit r/pools · May 2026

Month 4 · Beatbot AquaSense 2 ProMinor

Side brush bristle shedding

$60 (brush replacement)

Bristle dropout observed after 60+ operating hours in pools treated with high chlorine. Beatbot support confirms normal wear; replacement available from aftermarket vendors.

Beatbot community forum · July 2025

Month 3 · Polaris Alpha iQ+Major

Motor shaft seal failure

$210 (seal kit + labor)

Eight owner reports of leaking motor housings between weeks 12-16 of operation. Polaris issued replacement seal kits; professional service shops charge $150-$210 for replacement labor.

Polaris service bulletins · AquaCert forum · 2026

Month 5 · Dolphin PremierMinor

Filter housing crack

$0 (warranty replacement)

Two documented instances of hairline cracks in the polycarbonate filter housing after intense seasonal use. Both cases were covered under manufacturer warranty with replacement units shipped within 10 days.

Dolphin support archives · owner testimony · 2026

Month 2 · Aiper Scuba V3Minor

Brush head wear

$180 (brush set replacement)

Soft polyester brushes degrade faster in pools with sand or high calcium levels. Replacement set is inexpensive but requires mid-season replacement for full-power cleaning.

Aiper maintenance guide · owner reports · 2026

Consumables breakdown

Annual cost by part type

Read from each robot’s own record, not restated here. A part is priced only from the manufacturer’s published price for a part its own page lists for that machine, and costed only where a replacement interval has been established. Anything else is left unpriced rather than estimated.

Part · frequency

Aiper Scuba V3

Dolphin Premier

Polaris Alpha iQ+

Beatbot AquaSense 2 Pro

BrushAnnuallyNot priced$44 / yr$37.50 eachno replacement intervalNot priced

Annual totalNot establishedno parts recorded$43.99 / yrcovers 1 itemized partNot established0 of 1 parts costed · 1 priced but no replacement intervalNot establishedno parts recorded

Common questions

What readers ask about this comparison.

Why do cordless pool robots cost more to own per season than corded models?

Cordless robots carry higher battery replacement costs and often require cartridge filters with shorter service intervals than corded competitors. A cordless robot running 100+ hours per season may need battery service within two to three seasons, where a corded robot’s motor runs indefinitely. Consumables consumptions are documented in manufacturer maintenance guides.

Which of these four robots has the cheapest consumables budget?

The Dolphin Premier spreads consumables costs across a five-year lifespan, making it lowest in any single season. The Aiper Scuba V3 runs second, though brush replacement is more frequent. Ownership profile and maintenance discipline affect actual outcomes; these numbers reflect manufacturer recommendations.

Do warranty claims cover consumables replacement?

No. Manufacturer warranties cover manufacturing defects and catastrophic failure, not wear items like brushes, seals, or filter cartridges. Some brands like Dolphin cover early housing failures under warranty, which can offset consumables costs in the first season.

Does pool chemistry affect seasonal ownership cost?

Yes. Pools with high chlorine, salt, or mineral content accelerate brush bristle shedding and impeller seal wear. Proper water balance extends consumable life and reduces unplanned replacement costs, though most manufacturers assume well-maintained pools in their maintenance schedules.

Can you reduce consumables costs by extending replacement intervals?

Partially. Delaying filter changes by 10-20 hours may not affect performance, but skipping brush replacement leads to reduced cleaning power and increased motor stress. Manufacturer intervals represent optimal cost-to-benefit balances, not hard-stops.

Next up

Pool robots for leaves vs fine silt: which filter do you need?

Read the comparison

Comparison ID: RV–CMP–1899 · Last reviewed Jun 1, 2026 · Based on owner reports, manufacturer documentation, and firmware release notes

Suggest a correction