Help me choose
A stronger Pool Express option
Dolphin Explorer E25 and Dolphin Proteus DX3 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.
Explorer
Dolphin Explorer E25
Inground pools up to 50 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.
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 Explorer E25 or Dolphin Proteus DX3: our take
Dolphin Explorer E25 and Dolphin Proteus DX3 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 Explorer E25 is intended for inground pools, while Dolphin Proteus DX3 is intended for inground and above-ground pools. Dolphin Explorer E25 is rated for pools up to 50 ft; Dolphin Proteus DX3 is rated up to 33 ft. Each cleans floor and walls, so coverage alone does not separate them. Dolphin Proteus DX3's documented cleaning system includes 1 active brush.
Filtration and debris
Dolphin Proteus DX3 has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Proteus DX3 has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Explorer E25 provides smartphone control; Dolphin Proteus DX3 provides a weekly timer and power-supply controls.
Price, warranty and the decision
Dolphin Explorer E25 is listed at $899 and Dolphin Proteus DX3 at $699; Dolphin Proteus DX3 is $200 less. Each lists a 2-year manufacturer warranty. Dolphin Explorer E25 and Dolphin Proteus DX3 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 Explorer E25 | Dolphin Proteus DX3 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | No |
| Fine-debris filter included | No | No |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | Not listed | Yes |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Not listed | Not listed |
| 3-year warranty | No | No |
| No recharging between cycles | Not listed | Yes |
| 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 Explorer E25 stands out
Dolphin Explorer E25 is the better fit for pools up to 50 ft.
- Adds smartphone control
- Is rated for pools up to 50 ft
Where Dolphin Proteus DX3 stands out
Dolphin Proteus DX3 is the better fit for shoppers prioritizing the lower $699 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $200 lower
Dolphin Explorer E25 vs Dolphin Proteus DX3 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 Explorer E25 | Dolphin Proteus DX3 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor and wall cleaning. | Inground and above-ground pools up to 33 ft that need floor and wall cleaning. |
| Starting price | $899 | $699 |
| Pool type | Inground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Up to 33 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls |
| Power | Not listed | Corded |
| Filtration | Not listed | Basket |
| Scheduling | Not listed | Weekly schedule |
| App and remote | App control | Power-supply controls |
| Cable | Not listed | 50 ft |
| Robot weight | Not listed | 14 lb |
| Warranty | 2 years | 2 years |
Consider the stronger Pool Express option
Dolphin Explorer E25 and Dolphin Proteus DX3 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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