Our pick: Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
Niya Sonar
Niya Sonar 30
Inground and above-ground pools up to 33 ft that need floor, wall and waterline cleaning without a cord.
Why Dolphin Premier is our pick
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
$1,999
Buy Dolphin PremierDolphin Premier or Niya Sonar 30: our take
Dolphin Premier 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
Dolphin Premier is intended for inground pools, while Niya Sonar 30 is intended for inground and above-ground pools. Dolphin Premier 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 Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors. Niya Sonar 30 lists 2 active brushes, Sonar navigation, and Three brushless motors.
Filtration and debris
Dolphin Premier includes Standard filter, NanoFilters, Oversized leaf bag, and Multi-Media; Niya Sonar 30 includes Basket. That gives Dolphin Premier the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control; Niya Sonar 30 provides one-touch starts and power-supply controls. Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel, while Niya Sonar 30 uses cordless battery power. Dolphin Premier is listed at 20.3 lb versus 19.2 lb for Niya Sonar 30; that 1.1000000000000014 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Premier is listed at $1,999 and Niya Sonar 30 at $379; Niya Sonar 30 is $1,620 less. Dolphin Premier lists a 3-year warranty compared with 1 years for Niya Sonar 30. Pool Express pick: Dolphin Premier. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris. Choose Niya Sonar 30 when it is the better fit for shoppers prioritizing the lower $379 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 Premier | Niya Sonar 30 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | Yes | Yes |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | No | 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 Premier stands out
Dolphin Premier is the better fit for pools up to 50 ft.
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
- Carries a 3-year warranty instead of 1 years
Where Niya Sonar 30 stands out
Niya Sonar 30 is the better fit for shoppers prioritizing the lower $379 starting price.
- Is listed $1,620 lower
- Weighs 19.2 lb versus 20.3 lb
Dolphin Premier vs Niya Sonar 30 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 Premier | Niya Sonar 30 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. | Inground and above-ground pools up to 33 ft that need floor, wall and waterline cleaning without a cord. |
| Starting price | $1,999 | $379 |
| Pool type | Inground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Up to 33 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls, Waterline |
| Power | Corded | Cordless |
| Filtration | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media | Basket |
| Scheduling | Weekly schedule | One-touch start |
| App and remote | Power-supply controls | Power-supply controls |
| Cable | 60 ft with anti-tangle swivel | Cordless |
| Robot weight | 20.3 lb | 19.2 lb |
| Warranty | 3 years | 1 years |
Choose Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Dolphin Premier includes filtration for sand, pollen and other fine debris.
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