Dolphin M400
MSRP $1749
3 years manufacturer warranty
Dolphin M400 vs Niya Tracker 25
A side-by-side comparison of the Dolphin M400 and Niya Tracker 25 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Niya Tracker 25
MSRP $379
1.5 years manufacturer warranty
| Feature | M400 | Niya Tracker 25 |
|---|---|---|
| Overview | ||
| Price | MSRP $1749 | MSRP $379 |
| Lineup | M-Series™ | Niya (cordless) |
| Best for | Specialty-retailer flagship | Value cordless cleaner |
| Pool size | Up to 50 ft | Above-ground |
| Cleaning coverage | Floor + Walls + Waterline | Floor only |
| Cleaning cycle | 2.5 hours | Not published |
| Suction | 4,500 GPH | Not published |
| Scrubbing brushes | 3 (active) | Not published |
| Filtration | Fine filter basket | Coarse filter basket |
| Standout features | ||
| Waterline cleaning | Included | No |
| 3-year warranty | Included | 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 | Included | No |
| Anti-tangle swivel | Included | No |
| Corded power | Included | No |
| Navigation & ownership | ||
| Navigation | Not published | Sonar-guided navigation |
| Weekly scheduling | Weekly timer | No weekly timer |
| App control | myDolphin™ Plus app | No app control |
| Cable | Anti-tangle swivel cable | None (cordless) |
| What is included |
|
|
| Warranty | 3 years | 1.5 years |
Dolphin M400 vs Niya Tracker 25: how they compare
The Dolphin M400 is part of the M-Series™ lineup — a specialty-retailer flagship with myDolphin™ Plus app control and a 3-year warranty. It cleans pools up to 50 ft with floor + walls + waterline coverage and Fine filter basket filtration, backed by a 3-year warranty.
The Niya Tracker 25 is part of the Niya (cordless) lineup — a value cordless cleaner from Maytronics' Niya brand with a 1.5-year warranty. It handles above-ground pools with floor only coverage and Coarse filter basket filtration, backed by a 1.5-year warranty.
Our verdict: the Dolphin M400 wins
Between these two, the Dolphin M400 is the stronger robot on paper — a specialty-retailer flagship with myDolphin™ Plus app control and a 3-year warranty. It cleans with floor + walls + waterline coverage and Fine filter basket filtration, backed by a 3-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 Quantum Pro from our ProLine™ — 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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