Help me choose
A stronger Pool Express option
Dolphin Active 3000 and Dolphin Liberty 300 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Active
Dolphin Active 3000
Inground and above-ground pools up to 50 ft with steps or a sun ledge that need full-coverage cleaning with scheduling and modes.
Liberty
Dolphin Liberty 300
Inground and above-ground pools that need floor and wall cleaning, with fine debris, without a power cord.
What we recommend instead
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Active 3000 or Dolphin Liberty 300: our take
Dolphin Active 3000 and Dolphin Liberty 300 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 3000 has a published maximum pool length of 50 ft; the other model does not have a verified length in our source material. Dolphin Active 3000 cleans floor, walls, and waterline; Dolphin Liberty 300 cleans floor and walls. Dolphin Active 3000 lists 2 active brushes and CleverClean navigation. Dolphin Liberty 300 lists Dual DC motors.
Filtration and debris
Both models include Basket and UltraFilter. Both have documented fine-debris media, so basket capacity and ease of cleaning matter more than fine-particle capability.
Controls and day-to-day ownership
Dolphin Active 3000 provides a weekly timer and smartphone control; Dolphin Liberty 300 provides no fully published timer, app or remote specification. Dolphin Active 3000 uses continuous corded power, while Dolphin Liberty 300 uses cordless battery power.
Price, warranty and the decision
Dolphin Active 3000 is listed at $1,449 and Dolphin Liberty 300 at $1,099; Dolphin Liberty 300 is $350 less. Dolphin Active 3000 lists a 3-year warranty compared with 2 years for Dolphin Liberty 300. Dolphin Active 3000 and Dolphin Liberty 300 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Quantum. 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 Active 3000 | Dolphin Liberty 300 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | Yes | Yes |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | Yes | Not listed |
| Smartphone app | Yes | Not listed |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | YesEdge | No |
| No recharging between cycles | YesEdge | No |
| 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 3000 stands out
Dolphin Active 3000 is the better fit for inground and above-ground pools up to 50 ft with steps or a sun ledge that need full-coverage cleaning with scheduling and modes.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Has documented smartphone control
- Carries a 3-year warranty instead of 2 years
- Runs from continuous plug-in power without a recharge between cycles
Where Dolphin Liberty 300 stands out
Dolphin Liberty 300 is the better fit for shoppers prioritizing the lower $1,099 starting price.
- Is listed $350 lower
- Cleans floor and walls
Dolphin Active 3000 vs Dolphin Liberty 300 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 3000 | Dolphin Liberty 300 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 50 ft with steps or a sun ledge that need full-coverage cleaning with scheduling and modes. | Inground and above-ground pools that need floor and wall cleaning, with fine debris, without a power cord. |
| Starting price | $1,449 | $1,099 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Not listed |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls |
| Power | Corded | Cordless |
| Filtration | Basket, UltraFilter | Basket, UltraFilter |
| Scheduling | Weekly schedule + app | Not listed |
| App and remote | App control | Not listed |
| Cable | Not listed | Cordless |
| Robot weight | 17.9 lb | Not listed |
| Warranty | 3 years | 2 years |
Consider the stronger Pool Express option
Dolphin Active 3000 and Dolphin Liberty 300 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
More robotic pool cleaner comparisons
Keep comparing without rebuilding the same specification table yourself.
Clear UV vs Clear S
Pool Express pick: Clear UV
Dolphin Quantum vs Clear S
Pool Express pick: Dolphin Quantum
Dolphin Premier vs Dolphin Sigma
Pool Express pick: Dolphin Premier
Dolphin Premier vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Sigma vs Dolphin Quantum
Pool Express pick: Dolphin Quantum
Dolphin Cayman vs Dolphin Escape
Pool Express pick: Dolphin Cayman