Help me choose
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.
EON
Dolphin Nautilus EON 100
Inground and above-ground pools up to 50 ft with steps, benches or tanning ledges that need whole-pool cordless cleaning.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
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 Nautilus EON 100 or Dolphin Premier: our take
Dolphin Nautilus EON 100 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 EON 100 is intended for inground and above-ground pools, while Dolphin Premier is intended for inground pools. Both are rated for pools up to 50 ft. Each cleans floor, walls, and waterline, so coverage alone does not separate them. Dolphin Nautilus EON 100 lists 2 active brushes and SmartMap navigation. Dolphin Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors.
Filtration and debris
Dolphin Nautilus EON 100 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 EON 100 provides a weekly timer and smartphone control; Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control. Dolphin Nautilus EON 100 uses cordless battery power, while Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel. Dolphin Nautilus EON 100 is listed at 22.1 lb versus 20.3 lb for Dolphin Premier; that 1.8000000000000007 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Nautilus EON 100 is listed at $899 and Dolphin Premier at $1,999; Dolphin Nautilus EON 100 is $1,100 less. Dolphin Nautilus EON 100 lists a 1-year warranty compared with 3 years for Dolphin Premier. 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 Dolphin Nautilus EON 100 when it is the better fit for shoppers prioritizing the lower $899 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 Nautilus EON 100 | Dolphin Premier |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | Yes | Yes |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | Yes | Yes |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Not listed | Yes |
| 3-year warranty | No | YesEdge |
| No recharging between cycles | No | YesEdge |
| 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 EON 100 stands out
Dolphin Nautilus EON 100 is the better fit for shoppers prioritizing the lower $899 starting price.
- Adds smartphone control
- Is listed $1,100 lower
Where Dolphin Premier stands out
Dolphin Premier is the better fit for inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Carries a 3-year warranty instead of 1 years
- Runs from continuous plug-in power without a recharge between cycles
Dolphin Nautilus EON 100 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 EON 100 | Dolphin Premier |
|---|---|---|
| Best fit | Inground and above-ground pools up to 50 ft with steps, benches or tanning ledges that need whole-pool cordless cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. |
| Starting price | $899 | $1,999 |
| Pool type | Inground, Above-ground | Inground |
| Maximum pool length | Up to 50 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls, Waterline |
| Power | Cordless | Corded |
| Filtration | Basket | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media |
| Scheduling | Weekly schedule + app | Weekly schedule |
| App and remote | App control | Power-supply controls |
| Cable | Cordless | 60 ft with anti-tangle swivel |
| Robot weight | 22.1 lb | 20.3 lb |
| Warranty | 1 years | 3 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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