Help me choose
A stronger Pool Express option
Aquabot Rapids 2500 and Dolphin S50 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.
Aquabot
Aquabot Rapids 2500
Inground and above-ground pools up to 50 ft that need floor, wall and waterline 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 CaymanAquabot Rapids 2500 or Dolphin S50: our take
Aquabot Rapids 2500 and Dolphin S50 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
Aquabot Rapids 2500 is intended for inground and above-ground pools, while Dolphin S50 is intended for above-ground pools. Aquabot Rapids 2500 is rated for pools up to 50 ft; Dolphin S50 is rated up to 30 ft. Aquabot Rapids 2500 cleans floor, walls, and waterline; Dolphin S50 cleans floor. Aquabot Rapids 2500 lists Gyroscope navigation. Dolphin S50 lists 1 active brush.
Filtration and debris
Dolphin S50 has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin S50 has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Aquabot Rapids 2500 provides smartphone control; Dolphin S50 provides one-touch starts and power-supply controls.
Price, warranty and the decision
Aquabot Rapids 2500 is listed at $999 and Dolphin S50 at $649; Dolphin S50 is $350 less. Each lists a 2-year manufacturer warranty. Aquabot Rapids 2500 and Dolphin S50 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 | Aquabot Rapids 2500 | Dolphin S50 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | No | No |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | Not listed | No |
| 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 Aquabot Rapids 2500 stands out
Aquabot Rapids 2500 is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds smartphone control
- Is rated for pools up to 50 ft
Where Dolphin S50 stands out
Dolphin S50 is the better fit for shoppers prioritizing the lower $649 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $350 lower
Aquabot Rapids 2500 vs Dolphin S50 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 | Aquabot Rapids 2500 | Dolphin S50 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 50 ft that need floor, wall and waterline cleaning. | Above-ground pools up to 30 ft that need floor cleaning. |
| Starting price | $999 | $649 |
| Pool type | Inground, Above-ground | Above-ground |
| Maximum pool length | Up to 50 ft | Up to 30 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Not listed | Corded |
| Filtration | Not listed | Basket |
| Scheduling | Not listed | One-touch start |
| App and remote | App control | Power-supply controls |
| Cable | Not listed | 40 ft |
| Robot weight | Not listed | 14 lb |
| Warranty | 2 years | 2 years |
Consider the stronger Pool Express option
Aquabot Rapids 2500 and Dolphin S50 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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