Our pick: Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
Niya Tracker
Niya Tracker 55
Inground and above-ground pools up to 40 ft that need floor, wall and waterline cleaning without a cord, with app-selected modes.
Why Dolphin Premier is our pick
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
$1,999
Buy Dolphin PremierDolphin Premier or Niya Tracker 55: our take
Dolphin Premier and Niya Tracker 55 are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Dolphin Premier is intended for inground pools, while Niya Tracker 55 is intended for inground and above-ground pools. Dolphin Premier is rated for pools up to 50 ft; Niya Tracker 55 is rated up to 40 ft. Each cleans floor, walls, and waterline, so coverage alone does not separate them. Dolphin Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors. Niya Tracker 55 lists 2 active brushes, Sonar navigation, and Dual drive motors.
Filtration and debris
Dolphin Premier includes Standard filter, NanoFilters, Oversized leaf bag, and Multi-Media; Niya Tracker 55 includes Basket. That gives Dolphin Premier the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control; Niya Tracker 55 provides one-touch starts and smartphone control. Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel, while Niya Tracker 55 uses cordless battery power. Dolphin Premier is listed at 20.3 lb versus 19.8 lb for Niya Tracker 55; that 0.5 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Premier is listed at $1,999 and Niya Tracker 55 at $779; Niya Tracker 55 is $1,220 less. Dolphin Premier lists a 3-year warranty compared with 1.5 years for Niya Tracker 55. Pool Express pick: Dolphin Premier. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris. Choose Niya Tracker 55 when it is the better fit for shoppers prioritizing the lower $779 starting price.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin Premier | Niya Tracker 55 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | Yes | Yes |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | YesEdge | No |
| No recharging between cycles | YesEdge | No |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin Premier stands out
Dolphin Premier is the better fit for pools up to 50 ft.
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
- Carries a 3-year warranty instead of 1.5 years
Where Niya Tracker 55 stands out
Niya Tracker 55 is the better fit for shoppers prioritizing the lower $779 starting price.
- Adds smartphone control
- Is listed $1,220 lower
- Weighs 19.8 lb versus 20.3 lb
Dolphin Premier vs Niya Tracker 55 specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin Premier | Niya Tracker 55 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. | Inground and above-ground pools up to 40 ft that need floor, wall and waterline cleaning without a cord, with app-selected modes. |
| Starting price | $1,999 | $779 |
| Pool type | Inground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Up to 40 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls, Waterline |
| Power | Corded | Cordless |
| Filtration | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media | Basket |
| Scheduling | Weekly schedule | One-touch start |
| App and remote | Power-supply controls | App control |
| Cable | 60 ft with anti-tangle swivel | Cordless |
| Robot weight | 20.3 lb | 19.8 lb |
| Warranty | 3 years | 1.5 years |
Choose Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris.
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