Our pick: Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris.
Explorer
Dolphin Explorer E20
Inground and above-ground pools up to 33 ft that need floor and wall cleaning.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
Why Dolphin Premier is our pick
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
$1,999
Buy Dolphin PremierDolphin Explorer E20 or Dolphin Premier: our take
Dolphin Explorer E20 and Dolphin Premier 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 E20 is intended for inground and above-ground pools, while Dolphin Premier is intended for inground pools. Dolphin Explorer E20 is rated for pools up to 33 ft; Dolphin Premier is rated up to 50 ft. Dolphin Explorer E20 cleans floor and walls; Dolphin Premier cleans floor, walls, and waterline. Dolphin Explorer E20 lists 1 active brush and Dual DC motors. Dolphin Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors.
Filtration and debris
Dolphin Explorer E20 includes Basket; Dolphin Premier includes Standard filter, NanoFilters, Oversized leaf bag, and Multi-Media. Dolphin Premier has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Explorer E20 provides one-touch starts and power-supply controls; Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control. Dolphin Explorer E20 uses a 40 ft corded cable, while Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel. Dolphin Explorer E20 is listed at 14.5 lb versus 20.3 lb for Dolphin Premier; that 5.800000000000001 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Explorer E20 is listed at $699 and Dolphin Premier at $1,999; Dolphin Explorer E20 is $1,300 less. Dolphin Explorer E20 lists a 2-year warranty compared with 3 years for Dolphin Premier. Pool Express pick: Dolphin Premier. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Choose Dolphin Explorer E20 when it is the better fit for shoppers prioritizing the lower $699 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 | Dolphin Explorer E20 | Dolphin Premier |
|---|---|---|
| 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 | No |
| Anti-tangle swivel | Not listed | Yes |
| 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 Explorer E20 stands out
Dolphin Explorer E20 is the better fit for shoppers prioritizing the lower $699 starting price.
- Is listed $1,300 lower
- Weighs 14.5 lb versus 20.3 lb
Where Dolphin Premier stands out
Dolphin Premier is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Uses 2 active brushes instead of 1
Dolphin Explorer E20 vs Dolphin Premier 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 E20 | Dolphin Premier |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. |
| Starting price | $699 | $1,999 |
| 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 | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media |
| Scheduling | One-touch start | Weekly schedule |
| App and remote | Power-supply controls | Power-supply controls |
| Cable | 40 ft | 60 ft with anti-tangle swivel |
| Robot weight | 14.5 lb | 20.3 lb |
| Warranty | 2 years | 3 years |
Choose Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris.
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