Robotic pool cleaner comparison

Dolphin EON 100 vs Niya Sonar 30

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 EON 100 and Niya Sonar 30 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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EON

Dolphin EON 100

Inground and above-ground pools up to 50 ft with steps, benches or tanning ledges that need whole-pool cordless cleaning, with a two-year warranty.

Listed price See product

View better alternatives

Niya Sonar

Niya Sonar 30

Inground and above-ground pools up to 33 ft that need floor, wall and waterline cleaning without a cord.

Listed price $379

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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 EON 100 or Niya Sonar 30: our take

Dolphin EON 100 and Niya Sonar 30 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

Both robots are intended for inground and above-ground pools. Dolphin EON 100 is rated for pools up to 50 ft; Niya Sonar 30 is rated up to 33 ft. Each cleans floor, walls, and waterline, so coverage alone does not separate them. Dolphin EON 100 lists SmartMap navigation. Niya Sonar 30 lists 2 active brushes, Sonar navigation, and Three brushless motors.

Filtration and debris

Both models include Basket.

Controls and day-to-day ownership

Dolphin EON 100 provides a weekly timer and smartphone control; Niya Sonar 30 provides one-touch starts and power-supply controls. Both use cordless battery power. Dolphin EON 100 is listed at 22.1 lb versus 19.2 lb for Niya Sonar 30; that 2.900000000000002 lb difference matters when lifting the robot from the pool.

Price, warranty and the decision

Dolphin EON 100 lists a 2-year warranty compared with 1 years for Niya Sonar 30. Dolphin EON 100 and Niya Sonar 30 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 EON 100	Niya Sonar 30
Cleans the pool floor	Yes	Yes
Climbs and cleans walls	Yes	Yes
Scrubs the waterline	Yes	Yes
Fine-debris filter included	No	No
Large-debris filter	Yes	Yes
Automatic scheduling	YesEdge	No
Smartphone app	YesEdge	No
Anti-tangle swivel	Not listed	Not listed
3-year warranty	No	No
No recharging between cycles	No	No
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 EON 100 stands out

Dolphin EON 100 is the better fit for pools up to 50 ft.

Can start on a weekly schedule without a manual launch before every cycle
Adds smartphone control
Carries a 2-year warranty instead of 1 years
Is rated for pools up to 50 ft

Where Niya Sonar 30 stands out

Niya Sonar 30 is the better fit for inground and above-ground pools up to 33 ft that need floor, wall and waterline cleaning without a cord.

Weighs 19.2 lb versus 22.1 lb
Cleans floor, walls and waterline