Help me choose
A stronger Pool Express option
Dolphin Proteus DX5i and Niya Tracker 35 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Proteus
Dolphin Proteus DX5i
Inground pools up to 50 ft that need floor, wall and waterline cleaning.
Niya Tracker
Niya Tracker 35
Inground and above-ground pools up to 40 ft that need floor, wall and waterline cleaning without a cord.
What we recommend instead
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Proteus DX5i or Niya Tracker 35: our take
Dolphin Proteus DX5i and Niya Tracker 35 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 DX5i is intended for inground pools, while Niya Tracker 35 is intended for inground and above-ground pools. Dolphin Proteus DX5i is rated for pools up to 50 ft; Niya Tracker 35 is rated up to 40 ft. Each cleans floor, walls, and waterline, so coverage alone does not separate them. Dolphin Proteus DX5i lists 1 active brush. Niya Tracker 35 lists 2 active brushes, Sonar navigation, and Dual drive motors.
Filtration and debris
Both models include Basket.
Controls and day-to-day ownership
Dolphin Proteus DX5i provides smartphone control; Niya Tracker 35 provides one-touch starts. Dolphin Proteus DX5i uses a 60 ft corded cable with an anti-tangle swivel, while Niya Tracker 35 uses cordless battery power.
Price, warranty and the decision
Dolphin Proteus DX5i is listed at $1,299 and Niya Tracker 35 at $539; Niya Tracker 35 is $760 less. Dolphin Proteus DX5i lists a 2-year warranty compared with 1.5 years for Niya Tracker 35. Dolphin Proteus DX5i and Niya Tracker 35 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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 DX5i | Niya Tracker 35 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | Yes | Yes |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | Not listed | No |
| Smartphone app | Yes | Not listed |
| Anti-tangle swivel | Yes | 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 DX5i stands out
Dolphin Proteus DX5i is the better fit for pools up to 50 ft.
- Has documented smartphone control
- Carries a 2-year warranty instead of 1.5 years
- Is rated for pools up to 50 ft
- Runs from continuous plug-in power without a recharge between cycles
Where Niya Tracker 35 stands out
Niya Tracker 35 is the better fit for shoppers prioritizing the lower $539 starting price.
- Uses 2 active brushes instead of 1
- Is listed $760 lower
Dolphin Proteus DX5i vs Niya Tracker 35 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 DX5i | Niya Tracker 35 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning. | Inground and above-ground pools up to 40 ft that need floor, wall and waterline cleaning without a cord. |
| Starting price | $1,299 | $539 |
| 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 | Basket | Basket |
| Scheduling | Not listed | One-touch start |
| App and remote | App control | Not listed |
| Cable | 60 ft with anti-tangle swivel | Cordless |
| Robot weight | Not listed | 19.2 lb |
| Warranty | 2 years | 1.5 years |
Consider the stronger Pool Express option
Dolphin Proteus DX5i and Niya Tracker 35 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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