Help me choose
A stronger Pool Express option
Dolphin Proteus DX3 and Niya Tracker 15 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Proteus
Dolphin Proteus DX3
Inground and above-ground pools up to 33 ft that need floor and wall cleaning.
Niya Tracker
Niya Tracker 15
Above-ground pools up to 20 ft that need the floor vacuumed without a cord.
What we recommend instead
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin CaymanDolphin Proteus DX3 or Niya Tracker 15: our take
Dolphin Proteus DX3 and Niya Tracker 15 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 Proteus DX3 is intended for inground and above-ground pools, while Niya Tracker 15 is intended for above-ground pools. Dolphin Proteus DX3 is rated for pools up to 33 ft; Niya Tracker 15 is rated up to 20 ft. Dolphin Proteus DX3 cleans floor and walls; Niya Tracker 15 cleans floor. Dolphin Proteus DX3's documented cleaning system includes 1 active brush.
Filtration and debris
Both models include Basket.
Controls and day-to-day ownership
Dolphin Proteus DX3 provides a weekly timer and power-supply controls; Niya Tracker 15 provides one-touch starts and power-supply controls. Dolphin Proteus DX3 uses a 50 ft corded cable, while Niya Tracker 15 uses cordless battery power. Dolphin Proteus DX3 is listed at 14 lb versus 7.1 lb for Niya Tracker 15; that 6.9 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Proteus DX3 is listed at $699 and Niya Tracker 15 at $199; Niya Tracker 15 is $500 less. Dolphin Proteus DX3 lists a 2-year warranty compared with 1 years for Niya Tracker 15. Dolphin Proteus DX3 and Niya Tracker 15 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
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 Proteus DX3 | Niya Tracker 15 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | No | No |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | No | No |
| Anti-tangle swivel | Not listed | Not listed |
| 3-year warranty | No | 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 Proteus DX3 stands out
Dolphin Proteus DX3 is the better fit for pools up to 33 ft.
- Adds wall climbing and scrubbing
- Can start on a weekly schedule without a manual launch before every cycle
- Carries a 2-year warranty instead of 1 years
- Is rated for pools up to 33 ft
Where Niya Tracker 15 stands out
Niya Tracker 15 is the better fit for shoppers prioritizing the lower $199 starting price.
- Is listed $500 lower
- Weighs 7.1 lb versus 14 lb
Dolphin Proteus DX3 vs Niya Tracker 15 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 Proteus DX3 | Niya Tracker 15 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning. | Above-ground pools up to 20 ft that need the floor vacuumed without a cord. |
| Starting price | $699 | $199 |
| Pool type | Inground, Above-ground | Above-ground |
| Maximum pool length | Up to 33 ft | Up to 20 ft |
| Cleaning coverage | Floor, Walls | Floor |
| Power | Corded | Cordless |
| Filtration | Basket | Basket |
| Scheduling | Weekly schedule | One-touch start |
| App and remote | Power-supply controls | Power-supply controls |
| Cable | 50 ft | Cordless |
| Robot weight | 14 lb | 7.1 lb |
| Warranty | 2 years | 1 years |
Consider the stronger Pool Express option
Dolphin Proteus DX3 and Niya Tracker 15 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
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