The best robotic pool cleaner for an above-ground pool
An above-ground pool 24 feet across, on a soft liner, with a wall you can reach over. The maker's own pool-type rating decides this page before anything else gets a say: it rules out 5 of the 13 cleaners judged here on its own.
For an above-ground pool 24 feet across, the Dolphin E10 is the pick built for this pool and nothing else: Maytronics rates it for above-ground use to 30 ft, and Popular Mechanics named it Best for Above Ground Pools, saying its scrubbing is effective but gentle enough not to damage a softer liner. The Aiper Scuba SE is the only cordless pick and the cheapest judged here, and both testers who ran it came away against it. The Dolphin Nautilus CC is the one whose maker claims the wall, rated for in-ground or above ground to 33 ft.

Pool type decides it first, and it decides it flatly: a unit rated inground-only is out whatever it costs and however well it tests. After that the page turns on whether the robot climbs the wall and whether it trails a cord over it, and then on what the named testers found. That last part is why the cheapest of the three is not the main pick.
| Model | Pool type | Pool length, up to | Climbs walls | Scrubs the waterline | Cordless | Runtime | Weight | Warranty | Fit | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Our pick | Dolphin E10 | above ground | 30 ft | no | no | no | 90 min | 14.6 lb | 2 years | Clears the published limits | $530 at Amazon |
| The cheap cordless one | Aiper Scuba SE | above ground | 30 ft | no | no | yes | 90 min | not published | not published | Clears the published limits | $150 at Amazon |
| The one that climbs | Dolphin Nautilus CC | in-ground or above ground | 33 ft | yes | no | no | 120 min | 14.8 lb | 1 year | Clears the published limits | $699 at Amazon |
Who this is for
Read on if your pool sits above the ground, on a liner, with a wall you can lean over, and you are done pushing a vacuum hose around it. What decides this page is not suction or navigation. It is whether a maker will say in print that its robot belongs in your kind of pool: 5 of the 13 cleaners judged here are ruled out on that line alone. If your pool is sunk in the ground, read The best robotic pool cleaner for an inground pool instead. And if the ring at the waterline is the one thing you want gone, no pick here scrubs it: one cleaner that fits this pool claims that job, and the competition section names it.
Your house, in the makers’ own terms
Makers describe a pool cleaner with two limits and this page checks both. Pool type is the blunt one: the spec sheet says above ground, inground, or both, and that is the maker naming the wall its robot was built to hold on to and the liner its tracks were meant to sit on. Pool length is the other: how far the machine can work from the point it goes in. This page sizes the pool at 24 feet across, above ground; change it and the field is re-judged.
Of 13 cleaners judged, 5 are excluded outright on pool type, 4 could not be judged because their makers publish no pool-length limit, and 4 fit, none of them sitting at a limit. One exclusion is worth saying out loud, because the maker contradicts itself: Aiper's page for the Scuba S1 calls it a robot designed for both above-ground and inground pools in its hero copy, while the spec table further down that same page gives its ideal pool type as inground only. This page judges the spec table, so the S1 is out, and its dossier, Aiper Scuba S1, carries both quotes. The picks below are all but one of the cleaners that fit, and the competition section names the one left over with the reason it lost.
Adjust to your house. Change the numbers and this box re-judges the models we track against your house, with the same rules and the same maker figures. The picks and tables above stay on the page’s own house.
An above-ground pool 24 feet across, run against all 13 robotic pool cleaners we track: 4 clear every published limit this house turns on, 0 clear them at a limit or lack a feature this house wants, 5 miss one, and 4 could not be judged because the maker does not publish the limit. How we judge fit.
Our pickDolphin E10
Made for above-ground pools, with the longest warranty of the three picks

$530 at Amazon, November 2, 2026above ground pool type30 ft pool length, up toclimbs walls: noscrubs the waterline: no
Maytronics rates the Dolphin E10 for above-ground pools up to 30 ft and builds it for nothing else: floor coverage, a 90 min cycle, CleverClean navigation, on a cord. Popular Mechanics made it its pick for above-ground pools, saying the scrubbing is effective but gentle enough not to damage a softer liner, and PoolBots calls it a simple, effective robot for this kind of pool. The Pool Nerd is the dissent, and a real one: its bottom line is a caution, resting on the cord and the filter together. Against that sits a 2 years warranty, the longest of the three picks.
Price as of November 2, 2026; the listing we verified as the bare unit. Sold by 2DaySale when we checked; we could not confirm whether that seller is an authorized dealer for the maker's warranty, so check before you buy.
An above-ground pool 24 feet across:
- Pool typemade for above-ground pools maytronics.com
- Pool length, up topool length limit is 30 ft; you need 24 ft maytronics.com
What you give up
It cleans the floor, and that is the whole job. Maytronics marks wall climbing and waterline scrubbing alike as no on its own sheet, so algae at the waterline stays yours to brush, and PoolBots scored its waterline work and its coverage as limited. If the ring at the waterline is what you want gone, read the Dolphin Nautilus CC below first, and then the competition, because the pick that climbs still does not scrub.
Owner reports, tester figures, more photos and the listings we skipped are on the Dolphin E10 page. Figures from maytronics.com. Recall screen: no US or Canada recall names this model, checked November 2, 2026.
The cheap cordless oneAiper Scuba SE
Cheapest cordless floor cleaner, rejected by both testers who ran it

$150 at Amazon, November 2, 2026above ground pool type30 ft pool length, up toclimbs walls: noscrubs the waterline: no
Aiper rates the Scuba SE for above-ground pools to 30 ft, it is cordless, and it is the cheapest of the 13 judged here by a wide margin. That is the whole of its case. Both testers who ran it came away unhappy: PoolBots titles its review a disappointing pool cleaner, concluding it falls short on battery life, cleaning power, navigation, build quality and charging, while The Pool Nerd's verdict is that it proves more trouble than it is worth and you should look at other brands. Buy it only if no cord is a hard requirement and the price is the other one.
Price as of November 2, 2026; the listing we verified as the bare unit. Sold by Amazon itself when we checked.
What you give up
Nearly everything except the price and the absent cord. Aiper's own sheet limits it to the pool floor, so there is no wall or waterline work of any kind. The Dolphin E10 costs a good deal more and trails a cable over the wall, and both testers who ran the two rate it the better robot.
Owner reports, tester figures, more photos and the listings we skipped are on the Aiper Scuba SE page. Figures from aiper.com. Recall screen: no US or Canada recall names this model, checked November 2, 2026.
The one that climbsDolphin Nautilus CC
Climbs the wall, at a higher price and a shorter warranty

$699 at Amazon, November 2, 2026in-ground or above ground pool type33 ft pool length, up toclimbs wallsscrubs the waterline: no
The Dolphin Nautilus CC is the only pick whose maker claims the wall. Maytronics rates it for in-ground or above ground up to 33 ft, states complete floor and wall coverage, and drives it with CleverClean navigation from a corded power supply. Popular Mechanics chose it as its pick for smaller pools, the cheaper version of the CC Plus that keeps the wall cleaning but drops the app and the scheduling. The testers are split: PoolBots calls it a decent cleaner for the price if you are not set on full wall cleaning, while The Pool Nerd disapproves of it outright and says there are better robots for the money.
Price as of November 2, 2026; the listing we verified as the bare unit. Sold by The Pool Spot when we checked; we could not confirm whether that seller is an authorized dealer for the maker's warranty, so check before you buy.
What you give up
A higher price, a shorter warranty and a cord, for a wall cleaned only partway up. It is also the pick Maytronics publishes least about: no cable length and no cycle time appear on its own pages. And if scrubbing the waterline is what you are after, no pick here does it; the one cleaner that fits this pool and claims that job is named in the competition below.
Owner reports, tester figures, more photos and the listings we skipped are on the Dolphin Nautilus CC page. Figures from maytronics.com. Recall screen: no US or Canada recall names this model, checked November 2, 2026.
The competition
Every pool robot we track was judged against the same house. The verdict column names the maker limit that decided it.
One cleaner clears every limit this pool sets and is still not a pick. The Dolphin Explorer E50 is the one that would settle the waterline: Maytronics rates it for the floor, the walls and the waterline, and PoolBots calls it a strong all-rounder that climbs walls and waterlines well, on standard filters rather than Dolphin's NanoFilters. PoolBots also found an anti-tangle swivel on its cable, which is the part both Dolphin picks are marked down for lacking. It loses on price, as the dearest of the 4 that fit, close to three times the main pick. The rest of it is on its dossier, Dolphin Explorer E50.
Every unit, judged (13)
| Model | Pool type | Pool length, up to | Climbs walls | Scrubs the waterline | Cordless | Runtime | Weight | Warranty | Price | Verdict |
|---|---|---|---|---|---|---|---|---|---|---|
Aiper Scuba SE | above ground | 30 ft | no | no | yes | 90 min | not published | not published | $150 | Clears the published limits |
Dolphin E10 | above ground | 30 ft | no | no | no | 90 min | 14.6 lb | 2 years | $530 | Clears the published limits |
Dolphin Explorer E50 | in-ground or above ground | 50 ft | yes | yes | no | 120 min | 19.2 lb | 2 years | $1,629 maker’s store $1,329, read November 2, 2026 | Clears the published limits |
Dolphin Nautilus CC | in-ground or above ground | 33 ft | yes | no | no | 120 min | 14.8 lb | 1 year | $699 | Clears the published limits |
Beatbot AquaSense 2 | in-ground or above ground | not published | yes | yes | yes | 240 min | 23.1 lb | 3 years | $849 list $1,298 | Maker does not publish the limit the maker does not publish a pool length limit |
Beatbot AquaSense 2 Ultra | in-ground or above ground | not published | yes | yes | yes | 600 min | 29.1 lb | 3 years | $2,299 list $2,699 | Maker does not publish the limit the maker does not publish a pool length limit |
Wybot C1 | in-ground or above ground | not published | yes | yes | yes | 150 min | 17.6 lb | 2 years | $400 list $570 | Maker does not publish the limit the maker does not publish a pool length limit |
| Wybot S2 | not published | not published | yes | yes | yes | 210 min | not published | not published | $1,000 list | Maker does not publish the limit the maker does not say which pool types it is for |
Aiper Scuba S1 | in-ground | 50 ft | yes | yes | yes | 180 min | not published | 2 years | $500 | Misses a published limit made for inground pools only aiper.com |
| Aiper Scuba S1 Pro | in-ground | 66 ft | not published | yes | yes | 180 min | not published | not published | $1,200 list | Misses a published limit made for inground pools only aiper.com |
Dolphin Nautilus CC Plus | in-ground | 40 ft | yes | no | no | 120 min | 20.8 lb | 1 year | $829 | Misses a published limit made for inground pools only maytronics.com |
Dolphin Nautilus CC Supreme | in-ground | 50 ft | yes | yes | no | 150 min | 24.6 lb | 1 year | $1,449 | Misses a published limit made for inground pools only maytronics.com |
| Dolphin Sigma | in-ground | 50 ft | yes | yes | not published | 150 min | 24.6 lb | 3 years | $2,999 list | Misses a published limit made for inground pools only maytronics.com |
Buying it right
Names are the trap. Maytronics sells the main pick's SKU as the Dolphin Explorer E10, while the plain Dolphin E10 name survives mostly on retailer listings. A search for either Dolphin also returns the Nautilus AG, an above-ground model that is not among the 13 judged here, so this page has nothing to say about it. The list below names the listings we did not link and why, and a price cell carries the maker's own store price wherever that undercut Amazon when we checked it, which is worth checking before you buy.
Each model page lists the similar Amazon listings we did not link and why: Dolphin E10, Aiper Scuba SE, Dolphin Nautilus CC. How we match listings.
What this page can’t promise
Nothing here was tested by us. The measurements and the verdicts come from Popular Mechanics, PoolBots and The Pool Nerd, and the build links each one under the pick it belongs to.
The evidence is uneven, and the page leaves the gaps showing rather than filling them: where a maker prints no figure we say so, and among these picks that happens more than once. None of the three publishes a maximum water depth, and the only depth limits anywhere in this category sit on two cleaners nobody could judge. Where a tester's measurement and a maker's claim disagree, as they do on the cordless pick's battery, both stay on the page and the tester is named.
This page reads what the makers publish, not your pool, and a pool-type rating says nothing about how a robot grips a soft-sided liner, how tall your wall stands, or how much of what settles on your floor is too fine for any of the three picks to hold.
Questions people ask
Can I use an inground robot in an above-ground pool?
Only if its maker rates it for both. Of the 13 cleaners judged here, 5 are excluded for exactly this reason, because their makers print inground only. A further 4 could not be judged at all, because their makers publish no pool-length limit, and of those only the Wybot S2 never states a pool type either. The Dolphin Nautilus CC is the pick that carries both ratings, listed by Maytronics for in-ground or above ground.
Will one of these work in an Intex or another soft-sided pool?
No maker judged here answers that. Aiper and Maytronics each state a pool type, above ground or inground, and neither says what the wall or liner has to be made of; the nearest any pick comes is a list of pool shapes on the Dolphin Nautilus CC, Rectangular, Round. None mentions a ladder or a set of steps. The two cleaners that do claim steps are the Wybots, and neither publishes a pool-length limit, so neither could be judged here.
Do I need wall climbing on a liner pool?
For a clean floor, no: the Dolphin E10 and the Aiper Scuba SE clean the floor only, and their makers say so. At the waterline, climbing is not scrubbing, and none of the three picks claims that job. The Dolphin Nautilus CC climbs, and both testers who ran it describe a partial result, the floor and the lower wall rather than the whole of it, so treat it as help with the wall rather than an end to brushing.
Related pages
Dolphin E10Our pick
$530 at Amazon
Dolphin Explorer E50
Beatbot AquaSense 2
Beatbot AquaSense 2 Ultra
Wybot C1
Dolphin Nautilus CC Supreme