The Seauto SAT 25 is the better robotic pool cleaner overall, rated 4.0 to 3.9. The Seauto SAT 25 leads on value. The Aiper Scuba X1 wins on warranty. The Seauto SAT 25 costs $530 less ($269.99 vs $799.99).
A low-cost, sonar-guided cordless robot for in-ground and above-ground pools up to about 2,150 sq ft that need floor, wall and waterline cleaning. Pools with fine silt, raised drains or sharp steps need a different robot.
Amazon $269.99A strong-suction, big-basket robot for mid-size pools up to about 2,150 sq ft, with a wireless dock for easy charging. Pools that need surface skimming should look at the X1 Pro Max.
Aiper $799.99Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
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 | Seauto SAT 25 | Aiper Scuba X1 |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 25% | 97 $270 | 49 $800 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 75 Ultrasonic | 75 Ultrasonic |
| Warranty 15% | 0 1-year warranty | 50 2-year warranty |
| Pool size 10% | 100 pools up to 2,150 sq ft | 100 pools up to 2,150 sq ft |
| Features 10% | 50 too few features published (neutral score used) | 50 too few features published (neutral score used) |
| Seauto SAT 25 | Aiper Scuba X1 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 2,150 sq ft (200 m²) | Up to 2,150 sq ft (200 m²), 66 ft long |
| Pool types | In-ground and above-ground | In-ground |
| Surfaces | Tile, concrete, vinyl | Concrete, fiberglass, vinyl, tile |
| Max depth | 9.8 ft | - |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 300 µm filter basket | Top-load 5 L multi-layer basket with MicroMesh 3 µm filter |
| Filter capacity | - | 5 L |
| Water flow | 5,500 gal/h | 6,600 gal/h |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 7,800 mAh | 7,800 mAh |
| Run time | Up to 3 h | Up to 3 h |
| Charge time | 4 h | 4 h |
| Charging | Cable | Wireless/inductive |
| Navigation & app | ||
| Navigation | Ultrasonic | Ultrasonic |
| App | - | Yes |
| Caddy included | No | - |
| Build | ||
| Water resistance | IPX8 | - |
| Weight | 14.3 lb (6.5 kg) | 24.2 lb (11 kg) |
| Warranty | 1 year | 2 years |
