Help me choose
A stronger Pool Express option
Dolphin Active 15 and Dolphin Nautilus CC Supreme 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.
Active
Dolphin Active 15
Inground and above-ground pools up to 33 ft that need floor and wall 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.
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 Active 15 or Dolphin Nautilus CC Supreme: our take
Dolphin Active 15 and Dolphin Nautilus CC Supreme 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 Active 15 is intended for inground and above-ground pools, while Dolphin Nautilus CC Supreme is intended for inground pools. Dolphin Active 15 is rated for pools up to 33 ft; Dolphin Nautilus CC Supreme is rated up to 50 ft. Dolphin Active 15 cleans floor and walls; Dolphin Nautilus CC Supreme cleans floor, walls, and waterline. Dolphin Active 15 lists 1 active brush. Dolphin Nautilus CC Supreme lists 2 active brushes and CleverClean navigation.
Filtration and debris
Dolphin Active 15 includes Basket and UltraFilter; Dolphin Nautilus CC Supreme includes Standard filter and UltraFilter. Both have documented fine-debris media, so basket capacity and ease of cleaning matter more than fine-particle capability. Dolphin Active 15 also has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Active 15 provides a weekly timer and power-supply controls; Dolphin Nautilus CC Supreme provides a weekly timer, smartphone control, and included remote control. Dolphin Active 15 uses a 40 ft corded cable, while Dolphin Nautilus CC Supreme uses a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Active 15 is listed at $849 and Dolphin Nautilus CC Supreme at $1,599; Dolphin Active 15 is $750 less. Dolphin Active 15 lists a 2-year warranty compared with 3 years for Dolphin Nautilus CC Supreme. Dolphin Active 15 and Dolphin Nautilus CC Supreme 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 Active 15 | Dolphin Nautilus CC Supreme |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | Yes | Yes |
| Large-debris filter | YesEdge | No |
| Automatic scheduling | Yes | Yes |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | Not listed | Yes |
| 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 Active 15 stands out
Dolphin Active 15 is the better fit for shoppers prioritizing the lower $849 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $750 lower
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
- Uses 2 active brushes instead of 1
- Adds smartphone control
- Carries a 3-year warranty instead of 2 years
Dolphin Active 15 vs Dolphin Nautilus CC Supreme 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 Active 15 | Dolphin Nautilus CC Supreme |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning, with fine debris. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. |
| Starting price | $849 | $1,599 |
| Pool type | Inground, Above-ground | Inground |
| Maximum pool length | Up to 33 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket, UltraFilter | Standard filter, UltraFilter |
| Scheduling | Weekly schedule | Weekly schedule + app |
| App and remote | Power-supply controls | App + included remote |
| Cable | 40 ft | 60 ft with anti-tangle swivel |
| Robot weight | 14 lb | Not listed |
| Warranty | 2 years | 3 years |
Consider the stronger Pool Express option
Dolphin Active 15 and Dolphin Nautilus CC Supreme 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.
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