A low-cost cordless robot for small-to-mid-size pools up to about 1,600 sq ft that need floor, wall and waterline cleaning. Owners of larger pools should look at the Scuba X1.
Aiper $529.99The Aiper Scuba S1 is the better robotic pool cleaner overall, rated 4.1 to 3.2. The Aiper Scuba S1 leads on cleaning, warranty and pool size. The WYBOT A1 wins on value. The WYBOT A1 costs $360.02 less ($169.97 vs $529.99).
A cheap, light floor cleaner for small flat pools. Skip it if your pool has a sloped deep end or dirty walls.
Amazon $169.99 WYBOT $169.97Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Aiper Scuba S1 for cleaning (Floor, walls and waterline vs Floor only), warranty (2-year warranty vs 1-year warranty) and pool size (pools up to 1,600 sq ft vs pools up to 1,080 sq ft).
- Choose the WYBOT A1 for value ($170 vs $530).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cordless robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aiper Scuba S1 | WYBOT A1 |
|---|---|---|
| Overall rating | 4.1/5 | 3.2/5 |
| Value 25% | 67 $530 | 100 $170 |
| Cleaning 25% | 85 Floor, walls and waterline | 20 Floor only |
| Navigation 15% | 50 Gyroscope + sensors | 50 navigation not published (neutral score used) |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
| Pool size 10% | 100 pools up to 1,600 sq ft | 86 pools up to 1,080 sq ft |
| Features 10% | 100 2 of 2 | 33 1 of 3; no app control, easy pickup |
Specifications
| Aiper Scuba S1 | WYBOT A1 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 1,600 sq ft (150 m²), 50 ft long | Up to 1,076 sq ft (100 m²) |
| Pool types | In-ground and above-ground | In-ground and above-ground |
| Surfaces | Concrete, fiberglass, vinyl, tile | - |
| Max depth | - | 8.2 ft |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor only |
| Surface skimming | No | No |
| Filter | Top-load 3.5 L basket with 180 µm standard filter and a 3 µm ultra-fine filter | 180 µm filter plus ultra-fine cotton foam |
| Filter capacity | 3.5 L | - |
| Water flow | 4,200 gal/h | 2,140 gal/h |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | - | 63 Wh, 2,600 mAh |
| Run time | Up to 4 h 30 min | Up to 2 h 10 min |
| Charge time | 4 h | 2 h 30 min |
| Charging | Cable | Cable |
| Navigation & app | ||
| Navigation | Gyroscope + sensors | - |
| App | Yes | No |
| Scheduling | Yes | Yes |
| Retrieval | - | Parks at the pool edge for pickup |
| Build | ||
| Water resistance | - | IPX8 |
| Weight | 17 lb (7.7 kg) | 7.7 lb (3.5 kg) |
| Warranty | 2 years | 1 year |
