Dreame Z1 Pro
#4 in CordlessFull review
A well-equipped mid-price robot for above-ground or in-ground pools up to about 2,000 sq ft, with mapping and easy waterline parking. Pools with fine silt need a robot with a finer filter.
Amazon $479$479
The Dreame Z1 Pro is the better robotic pool cleaner overall, rated 4.3 to 4.0. The Dreame Z1 Pro leads on warranty and navigation. The Seauto SAT 25 wins on value. The Seauto SAT 25 costs $209.01 less ($269.99 vs $479).
Seauto SAT 25
#17 in CordlessFull review
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 $269.99$269.99
Prices 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.
Which should you buy?
- Choose the Dreame Z1 Pro for warranty (2-year warranty vs 1-year warranty) and navigation (Ultrasonic + 3D structured light vs Ultrasonic).
- Choose the Seauto SAT 25 for value ($270 vs $479).
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 | Dreame Z1 Pro | Seauto SAT 25 |
|---|---|---|
| Overall rating | 4.3/5 | 4.0/5 |
| Value 25% | 72 $479 | 97 $270 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 85 Ultrasonic + 3D structured light | 75 Ultrasonic |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
| Pool size 10% | 100 pools up to 2,160 sq ft | 100 pools up to 2,150 sq ft |
| Features 10% | 100 3 of 3 | 50 1 of 2; no caddy |
Specifications
| Dreame Z1 Pro | Seauto SAT 25 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 2,160 sq ft (200 m²) | Up to 2,150 sq ft (200 m²) |
| Pool types | In-ground and above-ground | In-ground and above-ground |
| Surfaces | Concrete, vinyl, fiberglass, tile | Tile, concrete, vinyl |
| Max depth | 8.2 ft | 9.8 ft |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 180 µm filter basket | 300 µm filter basket |
| Filter capacity | 4.5 L | - |
| Water flow | 8,000 gal/h | 5,500 gal/h |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 194.4 Wh, 9,600 mAh | 7,800 mAh |
| Run time | Up to 5 h | Up to 3 h |
| Charge time | 4 h | 4 h |
| Charging | Magnetic connector | Cable |
| Navigation & app | ||
| Navigation | Ultrasonic + 3D structured light | Ultrasonic |
| App | Yes | Yes |
| Connectivity | Wi-Fi, Bluetooth | - |
| Scheduling | Yes | - |
| Retrieval | Parks at the waterline at a spot you choose | - |
| Caddy included | - | No |
| Build | ||
| Water resistance | IPX8 | IPX8 |
| Weight | 26.7 lb (12.1 kg) | 14.3 lb (6.5 kg) |
| Warranty | 2 years | 1 year |
| Released | 2025-03 | - |