Help me choose
A stronger Pool Express option
Dolphin Explorer E25 and Polaris 9300 Sport Pool Cleaner F9300 are compared feature by feature below. For a stronger Pool Express option, consider Clear S. 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.
Polaris
Polaris 9300 Sport Pool Cleaner F9300
Pools that need floor cleaning.
What we recommend instead
Clear S
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,749
Buy Clear SDolphin Explorer E25 or Polaris 9300 Sport Pool Cleaner F9300: our take
Dolphin Explorer E25 and Polaris 9300 Sport Pool Cleaner F9300 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 has a published maximum pool length of 50 ft; the other model does not have a verified length in our source material. Dolphin Explorer E25 cleans floor and walls; Polaris 9300 Sport Pool Cleaner F9300 cleans floor.
Filtration and debris
The available manufacturer records do not fully identify the filter media supplied with either robot, so filtration should be confirmed before ordering.
Controls and day-to-day ownership
Dolphin Explorer E25 provides smartphone control; Polaris 9300 Sport Pool Cleaner F9300 provides daily scheduling.
Price, warranty and the decision
Dolphin Explorer E25 is listed at $899 and Polaris 9300 Sport Pool Cleaner F9300 at $1,393.60; Dolphin Explorer E25 is $494.60 less. Dolphin Explorer E25 and Polaris 9300 Sport Pool Cleaner F9300 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Clear S. 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 | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| 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 | No | No |
| Automatic scheduling | Not listed | Yes |
| Smartphone app | Yes | Not listed |
| Anti-tangle swivel | Not listed | Not listed |
| 3-year warranty | No | Not listed |
| 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.
- Adds wall climbing and scrubbing
- Has documented smartphone control
- Is listed $494.60 lower
Where Polaris 9300 Sport Pool Cleaner F9300 stands out
Polaris 9300 Sport Pool Cleaner F9300 is the better fit for pools that need floor cleaning.
- Cleans the pool floor
- 60 ft cable
Dolphin Explorer E25 vs Polaris 9300 Sport Pool Cleaner F9300 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 | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor and wall cleaning. | Pools that need floor cleaning. |
| Starting price | $899 | $1,393.60 |
| Pool type | Inground | Not listed |
| Maximum pool length | Up to 50 ft | Not listed |
| Cleaning coverage | Floor, Walls | Floor |
| Power | Not listed | Corded |
| Filtration | Not listed | Not listed |
| Scheduling | Not listed | Daily schedule |
| App and remote | App control | Not listed |
| Cable | Not listed | 60 ft |
| Robot weight | Not listed | 18 lb |
| Warranty | 2 years | Not listed |
Consider the stronger Pool Express option
Dolphin Explorer E25 and Polaris 9300 Sport Pool Cleaner F9300 are compared feature by feature below. For a stronger Pool Express option, consider Clear S. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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