Robotic pool cleaner comparison

Dolphin Echo vs Dolphin Triton PS Plus

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 Echo and Dolphin Triton PS Plus 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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Echo

Dolphin Echo

Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss.

Listed price $749

View better alternatives

Triton

Dolphin Triton PS Plus

Inground pools up to 50 ft that need floor, wall and waterline cleaning.

Listed price $1,199

View better alternatives

A better alternative

What we recommend instead

Pool Express pick

Dolphin Quantum

Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.

$1,649

Buy Dolphin Quantum

Buying guidance

Dolphin Echo or Dolphin Triton PS Plus: our take

Dolphin Echo and Dolphin Triton PS Plus 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 Triton PS Plus is intended for inground pools. Dolphin Echo is rated for pools up to 33 ft; Dolphin Triton PS Plus is rated up to 50 ft. Dolphin Echo cleans floor and walls; Dolphin Triton PS Plus cleans floor, walls, and waterline. Dolphin Echo lists 1 active brush and CleverClean navigation. Dolphin Triton PS Plus lists 2 active brushes and CleverClean navigation.

Filtration and debris

Both models include Basket.

Controls and day-to-day ownership

Dolphin Echo provides one-touch starts and power-supply controls; Dolphin Triton PS Plus provides a weekly timer and smartphone control. Dolphin Echo uses continuous corded power, while Dolphin Triton PS Plus uses a 60 ft corded cable with an anti-tangle swivel.

Price, warranty and the decision

Dolphin Echo is listed at $749 and Dolphin Triton PS Plus at $1,199; Dolphin Echo is $450 less. Each lists a 2-year manufacturer warranty. Dolphin Echo and Dolphin Triton PS Plus 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 Triton PS Plus
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	Yes	Yes
Automatic scheduling	No	YesEdge
Smartphone app	No	YesEdge
Anti-tangle swivel	No	YesEdge
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.

Is listed $450 lower
Cleans floor and walls

Where Dolphin Triton PS Plus stands out

Dolphin Triton PS Plus is the better fit for pools up to 50 ft.

Cleans the floor, walls and waterline instead of stopping below the tile line
Uses 2 active brushes instead of 1
Can start on a weekly schedule without a manual launch before every cycle
Adds smartphone control