Help me choose
A stronger Pool Express option
Dolphin Nautilus CC Supreme and Niya Sonar Ray 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.
Nautilus
Dolphin Nautilus CC Supreme
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.
What we recommend instead
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Nautilus CC Supreme or Niya Sonar Ray: our take
Dolphin Nautilus CC Supreme 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 Nautilus CC Supreme is intended for inground pools, while Niya Sonar Ray is intended for inground and above-ground pools. Dolphin Nautilus CC Supreme is rated for pools up to 50 ft; Niya Sonar Ray is rated up to 26 ft. Dolphin Nautilus CC Supreme cleans floor, walls, and waterline; Niya Sonar Ray cleans floor. Dolphin Nautilus CC Supreme lists 2 active brushes and CleverClean navigation. Niya Sonar Ray lists Sonar navigation.
Filtration and debris
Dolphin Nautilus CC Supreme includes Standard filter and UltraFilter; Niya Sonar Ray includes Basket. That gives Dolphin Nautilus CC Supreme the clearer documented edge for fine silt, pollen and sand. Niya Sonar Ray has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Nautilus CC Supreme provides a weekly timer, smartphone control, and included remote control; Niya Sonar Ray provides one-touch starts and power-supply controls. Dolphin Nautilus CC Supreme uses a 60 ft corded cable with an anti-tangle swivel, while Niya Sonar Ray uses cordless battery power.
Price, warranty and the decision
Dolphin Nautilus CC Supreme is listed at $1,599 and Niya Sonar Ray at $199; Niya Sonar Ray is $1,400 less. Dolphin Nautilus CC Supreme lists a 3-year warranty compared with 1 years for Niya Sonar Ray. Dolphin Nautilus CC Supreme and Niya Sonar Ray 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 Nautilus CC Supreme | 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 | No | YesEdge |
| Automatic scheduling | YesEdge | No |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | YesEdge | 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 Nautilus CC Supreme stands out
Dolphin Nautilus CC Supreme is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
- Adds smartphone control
Where Niya Sonar Ray stands out
Niya Sonar Ray is the better fit for shoppers prioritizing the lower $199 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $1,400 lower
Dolphin Nautilus CC Supreme 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 Nautilus CC Supreme | 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 | $1,599 | $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 | Standard filter, UltraFilter | 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 | Not listed | 7.1 lb |
| Warranty | 3 years | 1 years |
Consider the stronger Pool Express option
Dolphin Nautilus CC Supreme and Niya Sonar Ray 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.
More robotic pool cleaner comparisons
Keep comparing without rebuilding the same specification table yourself.
Clear UV vs Clear S
Pool Express pick: Clear UV
Dolphin Quantum vs Clear S
Pool Express pick: Dolphin Quantum
Dolphin Premier vs Dolphin Sigma
Pool Express pick: Dolphin Premier
Dolphin Premier vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Sigma vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Cayman vs Dolphin Escape
Pool Express pick: Dolphin Cayman