Help me choose
A stronger Pool Express option
Dolphin Active Solo and Dolphin M600 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Premier. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
Active
Dolphin Active Solo
Inground and above-ground pools up to 33 ft that need floor and wall cleaning at the lowest Active-series price.
M-Line
Dolphin M600
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
What we recommend instead
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
$1,999
Buy Dolphin PremierDolphin Active Solo or Dolphin M600: our take
Dolphin Active Solo and Dolphin M600 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 Solo is intended for inground and above-ground pools, while Dolphin M600 is intended for inground pools. Dolphin Active Solo is rated for pools up to 33 ft; Dolphin M600 is rated up to 50 ft. Dolphin Active Solo cleans floor and walls; Dolphin M600 cleans floor, walls, and waterline. Dolphin Active Solo's documented cleaning system includes 1 active brush and CleverClean navigation.
Filtration and debris
Dolphin Active Solo includes Basket; Dolphin M600 includes Basket and UltraFilter. Dolphin M600 has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Active Solo provides one-touch starts and power-supply controls; Dolphin M600 provides a weekly timer, smartphone control, and included remote control. Dolphin Active Solo uses continuous corded power, while Dolphin M600 uses a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Active Solo is listed at $599 and Dolphin M600 at $1,999; Dolphin Active Solo is $1,400 less. Dolphin Active Solo lists a 2-year warranty compared with 3 years for Dolphin M600. Dolphin Active Solo and Dolphin M600 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Premier. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
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 Solo | Dolphin M600 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | No | YesEdge |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | No | YesEdge |
| 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 Solo stands out
Dolphin Active Solo is the better fit for shoppers prioritizing the lower $599 starting price.
- Is listed $1,400 lower
- Cleans floor and walls
Where Dolphin M600 stands out
Dolphin M600 is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Can start on a weekly schedule without a manual launch before every cycle
- Adds smartphone control
Dolphin Active Solo vs Dolphin M600 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 Solo | Dolphin M600 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning at the lowest Active-series price. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. |
| Starting price | $599 | $1,999 |
| 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 | Basket, UltraFilter |
| Scheduling | One-touch start | Weekly schedule + app |
| App and remote | Power-supply controls | App + included remote |
| Cable | Not listed | 60 ft with anti-tangle swivel |
| Robot weight | 14.6 lb | Not listed |
| Warranty | 2 years | 3 years |
Consider the stronger Pool Express option
Dolphin Active Solo and Dolphin M600 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Premier. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
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