Help me choose
Our pick: Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman weighs 14.6 lb versus 40 lb. Dolphin Cayman cleans floor and walls.
Aquabot
Aquabot X4
Inground and above-ground pools up to 60 ft that need floor, wall and waterline cleaning.
Max-Series
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Why Dolphin Cayman is our pick
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin CaymanAquabot X4 or Dolphin Cayman: our take
Aquabot X4 and Dolphin Cayman 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 and above-ground pools. Aquabot X4 is rated for pools up to 60 ft; Dolphin Cayman is rated up to 40 ft. Aquabot X4 cleans floor, walls, and waterline; Dolphin Cayman cleans floor and walls. Aquabot X4 lists 1 active brush and Intelligent navigation. Dolphin Cayman lists 1 active brush, SmartNav 2.0 navigation, and Dual 24-volt DC motors.
Filtration and debris
Aquabot X4 includes Basket; Dolphin Cayman includes MaxBin.
Controls and day-to-day ownership
Aquabot X4 provides a weekly timer; Dolphin Cayman provides a weekly timer and power-supply controls. Aquabot X4 uses a 60 ft corded cable with an anti-tangle swivel, while Dolphin Cayman uses a 50 ft corded cable. Aquabot X4 is listed at 40 lb versus 14.6 lb for Dolphin Cayman; that 25.4 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Aquabot X4 is listed at $747 and Dolphin Cayman at $1,079; Aquabot X4 is $332 less. Each lists a 2-year manufacturer warranty. Pool Express pick: Dolphin Cayman. Dolphin Cayman weighs 14.6 lb versus 40 lb. Dolphin Cayman cleans floor and walls. Choose Aquabot X4 when it is the better fit for shoppers prioritizing the lower $747 starting price.
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 X4 | Dolphin Cayman |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | Yes | Yes |
| Smartphone app | Not listed | No |
| Anti-tangle swivel | YesEdge | No |
| 3-year warranty | No | No |
| No recharging between cycles | Yes | 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 X4 stands out
Aquabot X4 is the better fit for shoppers prioritizing the lower $747 starting price.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Uses an anti-tangle swivel cable
- Is rated for pools up to 60 ft
- Is listed $332 lower
Where Dolphin Cayman stands out
Dolphin Cayman is the better fit for inground and above-ground pools up to 40 ft that need floor and wall cleaning.
- Weighs 14.6 lb versus 40 lb
- Cleans floor and walls
Aquabot X4 vs Dolphin Cayman 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 X4 | Dolphin Cayman |
|---|---|---|
| Best fit | Inground and above-ground pools up to 60 ft that need floor, wall and waterline cleaning. | Inground and above-ground pools up to 40 ft that need floor and wall cleaning. |
| Starting price | $747 | $1,079 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 60 ft | Up to 40 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls |
| Power | Corded | Corded |
| Filtration | Basket | MaxBin |
| Scheduling | Weekly schedule | Weekly schedule |
| App and remote | Not listed | Power-supply controls |
| Cable | 60 ft with anti-tangle swivel | 50 ft |
| Robot weight | 40 lb | 14.6 lb |
| Warranty | 2 years | 2 years |
Choose Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman weighs 14.6 lb versus 40 lb. Dolphin Cayman cleans floor and walls.
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