Help me choose
A stronger Pool Express option
Dolphin Nautilus CC Plus and Polaris 9300 Sport Pool Cleaner F9300 are compared feature by feature below. For a stronger Pool Express option, consider Clear S. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Nautilus
Dolphin Nautilus CC Plus
Inground and above-ground pools up to 50 ft that need floor and wall cleaning.
Polaris
Polaris 9300 Sport Pool Cleaner F9300
Pools that need floor cleaning.
What we recommend instead
Clear S
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,749
Buy Clear SDolphin Nautilus CC Plus or Polaris 9300 Sport Pool Cleaner F9300: our take
Dolphin Nautilus CC Plus and Polaris 9300 Sport Pool Cleaner F9300 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 CC Plus has a published maximum pool length of 50 ft; the other model does not have a verified length in our source material. Dolphin Nautilus CC Plus cleans floor and walls; Polaris 9300 Sport Pool Cleaner F9300 cleans floor. Dolphin Nautilus CC Plus's documented cleaning system includes 2 active brushes and CleverClean navigation.
Filtration and debris
Dolphin Nautilus CC Plus has documented included filtration—Standard filter—while the other model's included media is not fully published.
Controls and day-to-day ownership
Dolphin Nautilus CC Plus provides a weekly timer and smartphone control; Polaris 9300 Sport Pool Cleaner F9300 provides daily scheduling. Dolphin Nautilus CC Plus uses a 60 ft corded cable with an anti-tangle swivel, while Polaris 9300 Sport Pool Cleaner F9300 uses a 60 ft corded cable. Dolphin Nautilus CC Plus is listed at 20 lb versus 18 lb for Polaris 9300 Sport Pool Cleaner F9300; that 2 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Nautilus CC Plus is listed at $949 and Polaris 9300 Sport Pool Cleaner F9300 at $1,393.60; Dolphin Nautilus CC Plus is $444.60 less. Dolphin Nautilus CC Plus and Polaris 9300 Sport Pool Cleaner F9300 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Clear S. 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 Nautilus CC Plus | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | No | No |
| Fine-debris filter included | No | No |
| Large-debris filter | No | No |
| Automatic scheduling | Yes | Yes |
| Smartphone app | Yes | Not listed |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | No | Not listed |
| 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 CC Plus stands out
Dolphin Nautilus CC Plus is the better fit for shoppers prioritizing the lower $949 starting price.
- Adds wall climbing and scrubbing
- Can start on a weekly schedule without a manual launch before every cycle
- Has documented smartphone control
- Is listed $444.60 lower
Where Polaris 9300 Sport Pool Cleaner F9300 stands out
Polaris 9300 Sport Pool Cleaner F9300 is the better fit for pools that need floor cleaning.
- Weighs 18 lb versus 20 lb
- Cleans the pool floor
Dolphin Nautilus CC Plus vs Polaris 9300 Sport Pool Cleaner F9300 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 CC Plus | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 50 ft that need floor and wall cleaning. | Pools that need floor cleaning. |
| Starting price | $949 | $1,393.60 |
| Pool type | Inground, Above-ground | Not listed |
| Maximum pool length | Up to 50 ft | Not listed |
| Cleaning coverage | Floor, Walls | Floor |
| Power | Corded | Corded |
| Filtration | Standard filter | Not listed |
| Scheduling | Weekly schedule + app | Daily schedule |
| App and remote | App control | Not listed |
| Cable | 60 ft with anti-tangle swivel | 60 ft |
| Robot weight | 20 lb | 18 lb |
| Warranty | 2.5 years | Not listed |
Consider the stronger Pool Express option
Dolphin Nautilus CC Plus and Polaris 9300 Sport Pool Cleaner F9300 are compared feature by feature below. For a stronger Pool Express option, consider Clear S. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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