Help me choose
A stronger Pool Express option
Dolphin Echo and Polaris 9300 Sport Pool Cleaner F9300 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.
Echo
Dolphin Echo
Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss.
Polaris
Polaris 9300 Sport Pool Cleaner F9300
Pools that need floor 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 Echo or Polaris 9300 Sport Pool Cleaner F9300: our take
Dolphin Echo 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 Echo has a published maximum pool length of 33 ft; the other model does not have a verified length in our source material. Dolphin Echo cleans floor and walls; Polaris 9300 Sport Pool Cleaner F9300 cleans floor. Dolphin Echo's documented cleaning system includes 1 active brush and CleverClean navigation.
Filtration and debris
Dolphin Echo has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Echo also has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Echo provides one-touch starts and power-supply controls; Polaris 9300 Sport Pool Cleaner F9300 provides daily scheduling. Dolphin Echo uses continuous corded power, while Polaris 9300 Sport Pool Cleaner F9300 uses a 60 ft corded cable. Dolphin Echo is listed at 14.8 lb versus 18 lb for Polaris 9300 Sport Pool Cleaner F9300; that 3.1999999999999993 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Echo is listed at $749 and Polaris 9300 Sport Pool Cleaner F9300 at $1,393.60; Dolphin Echo is $644.60 less. Dolphin Echo 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 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 Echo | 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 | YesEdge | No |
| Automatic scheduling | No | YesEdge |
| Smartphone app | No | Not listed |
| Anti-tangle swivel | No | 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 Echo stands out
Dolphin Echo is the better fit for shoppers prioritizing the lower $749 starting price.
- Adds wall climbing and scrubbing
- Includes a large-debris bin or bag for leaves
- Is listed $644.60 lower
- Weighs 14.8 lb versus 18 lb
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.
- Cleans the pool floor
- 60 ft cable
Dolphin Echo 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 Echo | Polaris 9300 Sport Pool Cleaner F9300 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning with the least fuss. | Pools that need floor cleaning. |
| Starting price | $749 | $1,393.60 |
| Pool type | Inground, Above-ground | Not listed |
| Maximum pool length | Up to 33 ft | Not listed |
| Cleaning coverage | Floor, Walls | Floor |
| Power | Corded | Corded |
| Filtration | Basket | Not listed |
| Scheduling | One-touch start | Daily schedule |
| App and remote | Power-supply controls | Not listed |
| Cable | Not listed | 60 ft |
| Robot weight | 14.8 lb | 18 lb |
| Warranty | 2 years | Not listed |
Consider the stronger Pool Express option
Dolphin Echo and Polaris 9300 Sport Pool Cleaner F9300 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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