Dolphin S100
MSRP $899
2 years manufacturer warranty
Dolphin S100 vs Niya Sonar 20
A side-by-side comparison of the Dolphin S100 and Niya Sonar 20 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Niya Sonar 20
MSRP $199
1 year manufacturer warranty
| Feature | S100 | Niya Sonar 20 |
|---|---|---|
| Overview | ||
| Price | MSRP $899 | MSRP $199 |
| Lineup | S-Series™ | Niya (cordless) |
| Best for | Specialty-retailer line | Value cordless cleaner |
| Pool size | Up to 33 ft | Above-ground |
| Cleaning coverage | Floor + Walls | Floor only |
| Cleaning cycle | 2 hours | Not published |
| Suction | 4,000 GPH | Not published |
| Scrubbing brushes | 1 (active) | Not published |
| Filtration | Fine + ultra-fine filter basket | Coarse filter basket |
| Standout features | ||
| Waterline cleaning | No | No |
| 3-year warranty | No | No |
| NanoFilters™ included | No | No |
| MultiMedia™ filtration | No | No |
| Media-Alert™ | No | No |
| Oversized leaf bag | No | No |
| MaxBin™ filtration | No | No |
| HyperBrush™ scrubbing | No | No |
| App control | No | No |
| Anti-tangle swivel | No | No |
| Corded power | Included | No |
| Navigation & ownership | ||
| Navigation | Not published | Sonar-guided navigation |
| Weekly scheduling | Weekly timer | No weekly timer |
| App control | No app control | No app control |
| Cable | Standard cable (no swivel) | None (cordless) |
| What is included |
|
|
| Warranty | 2 years | 1 year |
Dolphin S100 vs Niya Sonar 20: how they compare
The Dolphin S100 is part of the S-Series™ lineup — a specialty-retailer model with a weekly timer and a 2-year warranty. It cleans pools up to 33 ft with floor + walls coverage and Fine + ultra-fine filter basket filtration, backed by a 2-year warranty.
The Niya Sonar 20 is part of the Niya (cordless) lineup — a value cordless cleaner from Maytronics' Niya brand with a 1-year warranty. It handles above-ground pools with floor only coverage and Coarse filter basket filtration, backed by a 1-year warranty.
Our verdict: the Dolphin S100 wins
Between these two, the Dolphin S100 is the stronger robot on paper — a specialty-retailer model with a weekly timer and a 2-year warranty. It cleans with floor + walls coverage and Fine + ultra-fine filter basket filtration, backed by a 2-year warranty.
Our top recommendation: neither of these is in our two best lineups. For the best clean in this price range, step up to the Dolphin Cayman from our Max-Series™ — our top pick, highlighted at the top of this comparison.
Not sure yet? We're here to help
Every Dolphin Max-Series™ and ProLine™ robotic pool cleaner ships free and is backed by a full manufacturer warranty — explore our top-recommended robots and find the right fit for your pool.
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