Help me choose
A stronger Pool Express option
Dolphin Echo and Dolphin Explorer E70 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.
Echo
Dolphin Echo
Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss.
Explorer
Dolphin Explorer E70
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 Echo or Dolphin Explorer E70: our take
Dolphin Echo and Dolphin Explorer E70 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 Echo is intended for inground and above-ground pools, while Dolphin Explorer E70 is intended for inground pools. Dolphin Echo is rated for pools up to 33 ft; Dolphin Explorer E70 is rated up to 50 ft. Dolphin Echo cleans floor and walls; Dolphin Explorer E70 cleans floor, walls, and waterline. Dolphin Echo lists 1 active brush and CleverClean navigation. Dolphin Explorer E70 lists CleverClean navigation.
Filtration and debris
Dolphin Echo includes Basket; Dolphin Explorer E70 includes Basket and UltraFilter. Dolphin Explorer E70 has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Echo provides one-touch starts and power-supply controls; Dolphin Explorer E70 provides a weekly timer, smartphone control, and included remote control. Dolphin Echo uses continuous corded power, while Dolphin Explorer E70 uses a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Echo is listed at $749 and Dolphin Explorer E70 at $2,099; Dolphin Echo is $1,350 less. Dolphin Echo lists a 2-year warranty compared with 3 years for Dolphin Explorer E70. Dolphin Echo and Dolphin Explorer E70 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 Echo | Dolphin Explorer E70 |
|---|---|---|
| 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 | Yes | Yes |
| Automatic scheduling | No | YesEdge |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | No | YesEdge |
| 3-year warranty | No | YesEdge |
| 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.
- Is listed $1,350 lower
- Cleans floor and walls
Where Dolphin Explorer E70 stands out
Dolphin Explorer E70 is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
- Adds smartphone control
Dolphin Echo vs Dolphin Explorer E70 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 Explorer E70 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. |
| Starting price | $749 | $2,099 |
| Pool type | Inground, Above-ground | Inground |
| Maximum pool length | Up to 33 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket | Basket, UltraFilter |
| Scheduling | One-touch start | Weekly schedule + app |
| App and remote | Power-supply controls | App + included remote |
| Cable | Not listed | 60 ft with anti-tangle swivel |
| Robot weight | 14.8 lb | Not listed |
| Warranty | 2 years | 3 years |
Consider the stronger Pool Express option
Dolphin Echo and Dolphin Explorer E70 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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