Help me choose
A stronger Pool Express option
Dolphin Explorer E25 and Dolphin Nautilus CC Supreme 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.
Explorer
Dolphin Explorer E25
Inground pools up to 50 ft that need floor and wall cleaning.
Nautilus
Dolphin Nautilus CC Supreme
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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 Explorer E25 or Dolphin Nautilus CC Supreme: our take
Dolphin Explorer E25 and Dolphin Nautilus CC Supreme 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
Both robots are intended for inground pools. Both are rated for pools up to 50 ft. Dolphin Explorer E25 cleans floor and walls; Dolphin Nautilus CC Supreme cleans floor, walls, and waterline. Dolphin Nautilus CC Supreme's documented cleaning system includes 2 active brushes and CleverClean navigation.
Filtration and debris
Dolphin Nautilus CC Supreme has documented included filtration—Standard filter and UltraFilter—while the other model's included media is not fully published. Dolphin Nautilus CC Supreme has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Explorer E25 provides smartphone control; Dolphin Nautilus CC Supreme provides a weekly timer, smartphone control, and included remote control.
Price, warranty and the decision
Dolphin Explorer E25 is listed at $899 and Dolphin Nautilus CC Supreme at $1,599; Dolphin Explorer E25 is $700 less. Dolphin Explorer E25 lists a 2-year warranty compared with 3 years for Dolphin Nautilus CC Supreme. Dolphin Explorer E25 and Dolphin Nautilus CC Supreme 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 Explorer E25 | Dolphin Nautilus CC Supreme |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | No | No |
| Automatic scheduling | Not listed | Yes |
| Smartphone app | Yes | Yes |
| Anti-tangle swivel | Not listed | Yes |
| 3-year warranty | No | YesEdge |
| 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 shoppers prioritizing the lower $899 starting price.
- Is listed $700 lower
- Cleans floor and walls
Where Dolphin Nautilus CC Supreme stands out
Dolphin Nautilus CC Supreme is the better fit for inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Carries a 3-year warranty instead of 2 years
Dolphin Explorer E25 vs Dolphin Nautilus CC Supreme 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 Nautilus CC Supreme |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor and wall cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. |
| Starting price | $899 | $1,599 |
| Pool type | Inground | Inground |
| Maximum pool length | Up to 50 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Not listed | Corded |
| Filtration | Not listed | Standard filter, UltraFilter |
| Scheduling | Not listed | Weekly schedule + app |
| App and remote | App control | App + included remote |
| Cable | Not listed | 60 ft with anti-tangle swivel |
| Robot weight | Not listed | Not listed |
| Warranty | 2 years | 3 years |
Consider the stronger Pool Express option
Dolphin Explorer E25 and Dolphin Nautilus CC Supreme 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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