Help me choose
Residential and commercial pools need different robots
Dolphin Echo and Dolphin Wave 90i serve different kinds of pools, so there is no honest one-size-fits-all winner. Choose Dolphin Cayman for residential use. Choose Dolphin Wave 90i for commercial use.
Echo
Dolphin Echo
Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss.
Wave
Dolphin Wave 90i
Commercial pools up to 65 ft that need floor, wall and waterline cleaning.
Choose residential and commercial cleaners separately
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin Cayman
Dolphin Wave 90i
Commercial pools up to 65 ft that need floor, wall and waterline cleaning.
$2,399
Buy Dolphin Wave 90iDolphin Echo or Dolphin Wave 90i: our take
Dolphin Echo and Dolphin Wave 90i can be compared on specifications, but they are designed for different jobs. Start with residential versus commercial use, then use the details below to understand the tradeoffs.
Pool fit and cleaning reach
Dolphin Echo is intended for inground and above-ground pools, while Dolphin Wave 90i is intended for commercial pools. Dolphin Echo is rated for pools up to 33 ft; Dolphin Wave 90i is rated up to 65 ft. Dolphin Echo cleans floor and walls; Dolphin Wave 90i cleans floor, walls, and waterline. Dolphin Echo lists 1 active brush and CleverClean navigation. Dolphin Wave 90i lists Commercial-grade motors.
Filtration and debris
Dolphin Echo has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Echo also has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Echo provides one-touch starts and power-supply controls; Dolphin Wave 90i provides smartphone control. Both use continuous corded power.
Price, warranty and the decision
Dolphin Echo is listed at $749 and Dolphin Wave 90i at $2,399; Dolphin Echo is $1,650 less. Each lists a 2-year manufacturer warranty. These robots are built for different jobs, so pool type and facility capacity decide the comparison before individual features do. For a residential pool, the Pool Express pick is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning. For a commercial facility, the Pool Express pick is Dolphin Wave 90i. Commercial pools up to 65 ft that need floor, wall and waterline 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 Echo | Dolphin Wave 90i |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | No |
| Large-debris filter | YesEdge | No |
| Automatic scheduling | No | Not listed |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | No | Not listed |
| 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 Dolphin Echo stands out
Dolphin Echo is the better fit for shoppers prioritizing the lower $749 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $1,650 lower
Where Dolphin Wave 90i stands out
Dolphin Wave 90i is the better fit for pools up to 65 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds smartphone control
- Is rated for pools up to 65 ft
Dolphin Echo vs Dolphin Wave 90i 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 Echo | Dolphin Wave 90i |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss. | Commercial pools up to 65 ft that need floor, wall and waterline cleaning. |
| Starting price | $749 | $2,399 |
| Pool type | Inground, Above-ground | Commercial |
| Maximum pool length | Up to 33 ft | Up to 65 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket | Not listed |
| Scheduling | One-touch start | Not listed |
| App and remote | Power-supply controls | App control |
| Cable | Not listed | Not listed |
| Robot weight | 14.8 lb | Not listed |
| Warranty | 2 years | 2 years |
Choose for the pool you operate
Dolphin Echo and Dolphin Wave 90i serve different kinds of pools, so there is no honest one-size-fits-all winner. Choose Dolphin Cayman for residential use. Choose Dolphin Wave 90i for commercial use.
More robotic pool cleaner comparisons
Keep comparing without rebuilding the same specification table yourself.
Clear UV vs Clear S
Pool Express pick: Clear UV
Dolphin Quantum vs Clear S
Pool Express pick: Dolphin Quantum
Dolphin Premier vs Dolphin Sigma
Pool Express pick: Dolphin Premier
Dolphin Premier vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Sigma vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Cayman vs Dolphin Escape
Pool Express pick: Dolphin Cayman