NIYA Sonar 20 vs WYBOT A1
On the published numbers, the WYBOT A1’s battery covers a pool of about 56 ft against about 48 ft for the NIYA Sonar 20. Neither maker's rating goes beyond the arithmetic by more than the margin allowed. Every other published specification is in the table, with the rows where they differ tinted.
NIYA
NIYA Sonar 20
~$199
- Pool fit
- ~48 ft (floor only)90 min floor-only runtime at 13 sq ft/min — walls not counted
- Filtration
- No micron figure published
- Retrieval
- You fish out 10 lb
NIYA is Maytronics' budget brand, and the Sonar 20 is its $199 floor robot for above-ground pools up to 26 feet.
Best for: A small above-ground pool on a sub-$200 budget
WYBOT
WYBOT A1
~$170
- Pool fit
- ~56 ft (floor only)120 min floor-only runtime at 13 sq ft/min — walls not counted
- Filtration
- 180 µm · sand, grit and leaves
- Retrieval
- Parks for pickup
The A1 is a flat-floor robot and nothing more: two hours of floor cleaning, a 180-micron foam filter and self-parking, for pools up to 1,076 sq ft whose floor slopes less than 15 degrees.
Best for: Flat-bottomed above-ground pools
| Specification | NIYA Sonar 20 | WYBOT A1 |
|---|---|---|
| Approx. price | ~$199 | ~$170 |
| Type | Above-ground | Cordless floor-only |
| Power | Cordless | Cordless |
| Cleans | Floor | Floor |
| Pool fit | ~48 ft, floor only | ~56 ft, floor only |
| Maker's pool claim | 26 ft | 1,076 sq ft |
| Runtime, floor only | 90 min | 120 min |
| Finest filter | not published | 180 µm |
| Filtration tier | not published | Sand, grit and leaves |
| Filter | Coarse filter, top access | 180 µm cotton foam |
| Weight | 10 lb | not published |
| Retrieval | You fish out 10 lb | Parks for pickup |
| Self-parking | not published | Yes |
| Navigation | Ultrasonic | not published |
| App control | No | not published |
| Pool types | above-ground | in-ground, above-ground |
| Surfaces | vinyl, concrete, fiberglass, tile | not published |
| Warranty | 1 year | 1 year |
| Cost per swim season | $199 floor | $170 floor |
| Released | not published | 2026 |
NIYA Sonar 20: what it gives up
- Floor only, 26 ft limit
- Coarse filter — no fine-debris kit
- 90 minutes per charge, the shortest runtime published for a cordless robot here
- One-year warranty, half what Maytronics gives the $949 Liberty 200
WYBOT A1: what it gives up
- Floor only; no wall climbing
- Needs a floor slope under 15°, so most in-ground deep ends are out
- No weight or charge time published
- One-year warranty; WYBOT's two-year terms start with the $400 C1
Full specifications: NIYA Sonar 20 · WYBOT A1