Robotic pool cleaner comparison

Dolphin E10 vs Dolphin S2000

A side-by-side comparison of pool fit, cleaning coverage, filtration, controls and the better Pool Express option.

By Brian Williamson, Pool Express product specialist
Updated November 9, 2026

Better alternative

A stronger Pool Express option

Dolphin E10 and Dolphin S2000 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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Explorer

Dolphin E10

Above-ground pools up to 33 ft that need floor cleaning.

Listed price $499

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S-Line

Dolphin S2000

Inground and above-ground pools up to 40 ft with steps or a sun ledge that need full-coverage cleaning on a schedule.

Listed price $1,199

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A better alternative

What we recommend instead

Pool Express pick

Dolphin Cayman

Inground and above-ground pools up to 40 ft that need floor and wall cleaning.

$1,079

Buy Dolphin Cayman

Buying guidance

Dolphin E10 or Dolphin S2000: our take

Dolphin E10 and Dolphin S2000 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 E10 is intended for above-ground pools, while Dolphin S2000 is intended for inground and above-ground pools. Dolphin E10 is rated for pools up to 33 ft; Dolphin S2000 is rated up to 40 ft. Dolphin E10 cleans floor; Dolphin S2000 cleans floor, walls, and waterline. Dolphin E10 lists 1 active brush. Dolphin S2000 lists 2 active brushes and CleverClean navigation.

Filtration and debris

Dolphin E10 includes Basket; Dolphin S2000 includes Basket and UltraFilter. Dolphin S2000 has the clearer documented edge for fine silt, pollen and sand.

Controls and day-to-day ownership

Dolphin E10 provides one-touch starts and power-supply controls; Dolphin S2000 provides a weekly timer and smartphone control. Dolphin E10 uses a 40 ft corded cable, while Dolphin S2000 uses continuous corded power.

Price, warranty and the decision

Dolphin E10 is listed at $499 and Dolphin S2000 at $1,199; Dolphin E10 is $700 less. Each lists a 2-year manufacturer warranty. Dolphin E10 and Dolphin S2000 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	Dolphin E10	Dolphin S2000
Cleans the pool floor	Yes	Yes
Climbs and cleans walls	No	YesEdge
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	Not listed	Yes
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 E10 stands out

Dolphin E10 is the better fit for shoppers prioritizing the lower $499 starting price.

Is listed $700 lower
Cleans the pool floor

Where Dolphin S2000 stands out

Dolphin S2000 is the better fit for pools up to 40 ft.

Cleans the floor, walls and waterline instead of stopping below the tile line
Includes filtration for sand, pollen and other fine debris
Uses 2 active brushes instead of 1
Can start on a weekly schedule without a manual launch before every cycle