Help me choose
A stronger Pool Express option
Dolphin Active 15 and Dolphin Nautilus CC Plus 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.
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 Plus
Inground and above-ground pools up to 50 ft that need floor and wall cleaning.
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 Active 15 or Dolphin Nautilus CC Plus: our take
Dolphin Active 15 and Dolphin Nautilus CC Plus 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
Both robots are intended for inground and above-ground pools. Dolphin Active 15 is rated for pools up to 33 ft; Dolphin Nautilus CC Plus is rated up to 50 ft. Each cleans floor and walls, so coverage alone does not separate them. Dolphin Active 15 lists 1 active brush. Dolphin Nautilus CC Plus lists 2 active brushes and CleverClean navigation.
Filtration and debris
Dolphin Active 15 includes Basket and UltraFilter; Dolphin Nautilus CC Plus includes Standard filter. That gives Dolphin Active 15 the clearer documented edge for fine silt, pollen and sand. 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 Plus provides a weekly timer and smartphone control. Dolphin Active 15 uses a 40 ft corded cable, while Dolphin Nautilus CC Plus uses a 60 ft corded cable with an anti-tangle swivel. Dolphin Active 15 is listed at 14 lb versus 20 lb for Dolphin Nautilus CC Plus; that 6 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Active 15 is listed at $849 and Dolphin Nautilus CC Plus at $949; Dolphin Active 15 is $100 less. Dolphin Active 15 lists a 2-year warranty compared with 2.5 years for Dolphin Nautilus CC Plus. Dolphin Active 15 and Dolphin Nautilus CC Plus 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 Active 15 | Dolphin Nautilus CC Plus |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | No |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | YesEdge | No |
| Automatic scheduling | Yes | Yes |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | Not listed | Yes |
| 3-year warranty | No | No |
| 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 filtration for sand, pollen and other fine debris
- Includes a large-debris bin or bag for leaves
- Is listed $100 lower
- Weighs 14 lb versus 20 lb
Where Dolphin Nautilus CC Plus stands out
Dolphin Nautilus CC Plus is the better fit for pools up to 50 ft.
- Uses 2 active brushes instead of 1
- Adds smartphone control
- Carries a 2.5-year warranty instead of 2 years
- Is rated for pools up to 50 ft
Dolphin Active 15 vs Dolphin Nautilus CC Plus 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 Plus |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning, with fine debris. | Inground and above-ground pools up to 50 ft that need floor and wall cleaning. |
| Starting price | $849 | $949 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 33 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls |
| Power | Corded | Corded |
| Filtration | Basket, UltraFilter | Standard filter |
| Scheduling | Weekly schedule | Weekly schedule + app |
| App and remote | Power-supply controls | App control |
| Cable | 40 ft | 60 ft with anti-tangle swivel |
| Robot weight | 14 lb | 20 lb |
| Warranty | 2 years | 2.5 years |
Consider the stronger Pool Express option
Dolphin Active 15 and Dolphin Nautilus CC Plus 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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