Help me choose
A stronger Pool Express option
Dolphin Nautilus AG and Dolphin Premier are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Nautilus
Dolphin Nautilus AG
Above-ground and small inground pools up to 30 ft that need the floor vacuumed.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
What we recommend instead
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin CaymanDolphin Nautilus AG or Dolphin Premier: our take
Dolphin Nautilus AG and Dolphin Premier 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 AG is intended for above-ground pools, while Dolphin Premier is intended for inground pools. Dolphin Nautilus AG is rated for pools up to 30 ft; Dolphin Premier is rated up to 50 ft. Dolphin Nautilus AG cleans floor; Dolphin Premier cleans floor, walls, and waterline. Dolphin Nautilus AG lists 1 active brush and CleverClean navigation. Dolphin Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors.
Filtration and debris
Dolphin Nautilus AG includes Basket; Dolphin Premier includes Standard filter, NanoFilters, Oversized leaf bag, and Multi-Media. Dolphin Premier has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Nautilus AG provides one-touch starts and power-supply controls; Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control. Dolphin Nautilus AG uses continuous corded power, while Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel. Dolphin Nautilus AG is listed at 14.6 lb versus 20.3 lb for Dolphin Premier; that 5.700000000000001 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Nautilus AG is listed at $568 and Dolphin Premier at $1,999; Dolphin Nautilus AG is $1,431 less. Dolphin Nautilus AG lists a 1-year warranty compared with 3 years for Dolphin Premier. Dolphin Nautilus AG and Dolphin Premier each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
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 AG | Dolphin Premier |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | No | YesEdge |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | No | YesEdge |
| Smartphone app | No | No |
| Anti-tangle swivel | No | YesEdge |
| 3-year warranty | No | YesEdge |
| 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 Nautilus AG stands out
Dolphin Nautilus AG is the better fit for shoppers prioritizing the lower $568 starting price.
- Is listed $1,431 lower
- Weighs 14.6 lb versus 20.3 lb
Where Dolphin Premier stands out
Dolphin Premier is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Uses 2 active brushes instead of 1
Dolphin Nautilus AG vs Dolphin Premier 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 AG | Dolphin Premier |
|---|---|---|
| Best fit | Above-ground and small inground pools up to 30 ft that need the floor vacuumed. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. |
| Starting price | $568 | $1,999 |
| Pool type | Above-ground | Inground |
| Maximum pool length | Up to 30 ft | Up to 50 ft |
| Cleaning coverage | Floor | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media |
| Scheduling | One-touch start | Weekly schedule |
| App and remote | Power-supply controls | Power-supply controls |
| Cable | Not listed | 60 ft with anti-tangle swivel |
| Robot weight | 14.6 lb | 20.3 lb |
| Warranty | 1 years | 3 years |
Consider the stronger Pool Express option
Dolphin Nautilus AG and Dolphin Premier are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
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