Help me choose
Our pick: Dolphin Quantum
Dolphin Quantum is the Pool Express pick in this matchup. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling.
ProLine
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Niya Sonar
Niya Sonar Ray
Flat-bottomed above-ground and small inground pools up to 26 ft that need the floor cleaned without a cord.
Why Dolphin Quantum is our pick
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Quantum or Niya Sonar Ray: our take
Dolphin Quantum and Niya Sonar Ray 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 Quantum is intended for inground pools, while Niya Sonar Ray is intended for inground and above-ground pools. Dolphin Quantum is rated for pools up to 50 ft; Niya Sonar Ray is rated up to 26 ft. Dolphin Quantum cleans floor, walls, and waterline; Niya Sonar Ray cleans floor. Dolphin Quantum lists 2 active brushes, SmartNav 2.0 navigation, and Dual DC motors. Niya Sonar Ray lists Sonar navigation.
Filtration and debris
Dolphin Quantum includes XXL MaxBin and NanoFilters; Niya Sonar Ray includes Basket. That gives Dolphin Quantum the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Quantum provides a weekly timer, smartphone control, and included remote control; Niya Sonar Ray provides one-touch starts and power-supply controls. Dolphin Quantum uses a 60 ft corded cable with an anti-tangle swivel, while Niya Sonar Ray uses cordless battery power. Dolphin Quantum is listed at 18.3 lb versus 7.1 lb for Niya Sonar Ray; that 11.200000000000001 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Quantum is listed at $1,649 and Niya Sonar Ray at $199; Niya Sonar Ray is $1,450 less. Dolphin Quantum lists a 2-year warranty compared with 1 years for Niya Sonar Ray. Pool Express pick: Dolphin Quantum. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling. Choose Niya Sonar Ray when it is the better fit for shoppers prioritizing the lower $199 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 Quantum | Niya Sonar Ray |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | No | No |
| No recharging between cycles | YesEdge | 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 Quantum stands out
Dolphin Quantum is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Uses the high-capacity XXL MaxBin for easier top-load debris handling
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
Where Niya Sonar Ray stands out
Niya Sonar Ray is the better fit for shoppers prioritizing the lower $199 starting price.
- Is listed $1,450 lower
- Weighs 7.1 lb versus 18.3 lb
Dolphin Quantum vs Niya Sonar Ray 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 Quantum | Niya Sonar Ray |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. | Flat-bottomed above-ground and small inground pools up to 26 ft that need the floor cleaned without a cord. |
| Starting price | $1,649 | $199 |
| Pool type | Inground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Up to 26 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Corded | Cordless |
| Filtration | XXL MaxBin, NanoFilters | Basket |
| Scheduling | Weekly schedule + app | One-touch start |
| App and remote | App + included remote | Power-supply controls |
| Cable | 60 ft with anti-tangle swivel | Cordless |
| Robot weight | 18.3 lb | 7.1 lb |
| Warranty | 2 years | 1 years |
Choose Dolphin Quantum
Dolphin Quantum is the Pool Express pick in this matchup. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling.
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