Our pick: Dolphin Quantum
Dolphin Quantum is the Pool Express pick in this matchup. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling.
ProLine
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Polaris
Polaris 9300 Sport Pool Cleaner F9300
Pools that need floor cleaning.
Why Dolphin Quantum is our pick
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Quantum or Polaris 9300 Sport Pool Cleaner F9300: our take
Dolphin Quantum 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 Quantum has a published maximum pool length of 50 ft; the other model does not have a verified length in our source material. Dolphin Quantum cleans floor, walls, and waterline; Polaris 9300 Sport Pool Cleaner F9300 cleans floor. Dolphin Quantum's documented cleaning system includes 2 active brushes, SmartNav 2.0 navigation, and Dual DC motors.
Filtration and debris
Dolphin Quantum has documented included filtration—XXL MaxBin and NanoFilters—while the other model's included media is not fully published. That gives Dolphin Quantum the clearer documented edge for fine silt, pollen and sand. Dolphin Quantum also has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Quantum provides a weekly timer, smartphone control, and included remote control; Polaris 9300 Sport Pool Cleaner F9300 provides daily scheduling. Dolphin Quantum 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 Quantum is listed at 18.3 lb versus 18 lb for Polaris 9300 Sport Pool Cleaner F9300; that 0.3000000000000007 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Quantum is listed at $1,649 and Polaris 9300 Sport Pool Cleaner F9300 at $1,393.60; Polaris 9300 Sport Pool Cleaner F9300 is $255.40 less. Pool Express pick: Dolphin Quantum. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling. Choose Polaris 9300 Sport Pool Cleaner F9300 when it is the better fit for shoppers prioritizing the lower $1,393.60 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 Quantum | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | YesEdge | 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 Quantum stands out
Dolphin Quantum is the better fit for inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Uses the high-capacity XXL MaxBin for easier top-load debris handling
- Includes filtration for sand, pollen and other fine debris
- Includes a large-debris bin or bag for leaves
Where Polaris 9300 Sport Pool Cleaner F9300 stands out
Polaris 9300 Sport Pool Cleaner F9300 is the better fit for shoppers prioritizing the lower $1,393.60 starting price.
- Is listed $255.40 lower
- Weighs 18 lb versus 18.3 lb
Dolphin Quantum 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 Quantum | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. | Pools that need floor cleaning. |
| Starting price | $1,649 | $1,393.60 |
| Pool type | Inground | Not listed |
| Maximum pool length | Up to 50 ft | Not listed |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Corded | Corded |
| Filtration | XXL MaxBin, NanoFilters | Not listed |
| Scheduling | Weekly schedule + app | Daily schedule |
| App and remote | App + included remote | Not listed |
| Cable | 60 ft with anti-tangle swivel | 60 ft |
| Robot weight | 18.3 lb | 18 lb |
| Warranty | 2 years | Not listed |
Choose Dolphin Quantum
Dolphin Quantum is the Pool Express pick in this matchup. Dolphin Quantum cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Quantum uses the high-capacity XXL MaxBin for easier top-load debris handling.
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