Help me choose
A stronger Pool Express option
Aquabot X4 and Dolphin Active Solo 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.
Aquabot
Aquabot X4
Inground and above-ground pools up to 60 ft that need floor, wall and waterline cleaning.
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.
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 QuantumAquabot X4 or Dolphin Active Solo: our take
Aquabot X4 and Dolphin Active Solo 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. Aquabot X4 is rated for pools up to 60 ft; Dolphin Active Solo is rated up to 33 ft. Aquabot X4 cleans floor, walls, and waterline; Dolphin Active Solo cleans floor and walls. Aquabot X4 lists 1 active brush and Intelligent navigation. Dolphin Active Solo lists 1 active brush and CleverClean navigation.
Filtration and debris
Both models include Basket.
Controls and day-to-day ownership
Aquabot X4 provides a weekly timer; Dolphin Active Solo provides one-touch starts and power-supply controls. Aquabot X4 uses a 60 ft corded cable with an anti-tangle swivel, while Dolphin Active Solo uses continuous corded power. Aquabot X4 is listed at 40 lb versus 14.6 lb for Dolphin Active Solo; that 25.4 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Aquabot X4 is listed at $747 and Dolphin Active Solo at $599; Dolphin Active Solo is $148 less. Each lists a 2-year manufacturer warranty. Aquabot X4 and Dolphin Active Solo 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 | Aquabot X4 | Dolphin Active Solo |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | Not listed | No |
| Anti-tangle swivel | YesEdge | No |
| 3-year warranty | No | No |
| 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 Aquabot X4 stands out
Aquabot X4 is the better fit for pools up to 60 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Can start on a weekly schedule without a manual launch before every cycle
- Uses an anti-tangle swivel cable
- Is rated for pools up to 60 ft
Where Dolphin Active Solo stands out
Dolphin Active Solo is the better fit for shoppers prioritizing the lower $599 starting price.
- Is listed $148 lower
- Weighs 14.6 lb versus 40 lb
Aquabot X4 vs Dolphin Active Solo 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 | Aquabot X4 | Dolphin Active Solo |
|---|---|---|
| Best fit | Inground and above-ground pools up to 60 ft that need floor, wall and waterline cleaning. | Inground and above-ground pools up to 33 ft that need floor and wall cleaning at the lowest Active-series price. |
| Starting price | $747 | $599 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 60 ft | Up to 33 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls |
| Power | Corded | Corded |
| Filtration | Basket | Basket |
| Scheduling | Weekly schedule | One-touch start |
| App and remote | Not listed | Power-supply controls |
| Cable | 60 ft with anti-tangle swivel | Not listed |
| Robot weight | 40 lb | 14.6 lb |
| Warranty | 2 years | 2 years |
Consider the stronger Pool Express option
Aquabot X4 and Dolphin Active Solo 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.
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