Dolphin Advantage Ultra
#7 in CordedFull review
A full-coverage scheduled robot for pools up to 50 ft, for owners who do not want an app.
Amazon $899$899
3.7/5
For leafy in-ground pools up to 50 ft where filter capacity matters more than app control.
- 50 ftPool size
- To waterlineCleans
- Smart scanningNavigation
- 3 yearsWarranty
Check price at Pool Express$1,999
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Ships with a leaf bag for heavy leaf loads
- Three-year warranty
- Full-filter indicator
- Three-hour cycle covers floor, walls and waterline
Cons
- Bottom-access filters mean flipping the robot to empty
- No app
- Expensive
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Pool | |
|---|---|
| Pool size (rated) | Up to 50 ft long |
| Pool types | In-ground |
| Cleaning | |
| Cleans | Floor, walls and waterline |
| Surface skimming | No |
| Filter | Multi-layer bottom-access cartridges, plus fine cartridges and an oversized leaf bag in the box |
| Water flow | 4,500 gal/h |
| Power | |
| Power | Corded |
| Run time | Longest cycle 3 h |
| Swivel cable | Yes |
| Navigation & app | |
| Navigation | Smart scanning |
| App | No |
| Scheduling | Yes |
| Build | |
| Weight | 20.3 lb (9.2 kg) |
| Warranty | 3 years |
Alternatives in this type
Dolphin Explorer E50
#8 in CordedFull review
A well-equipped Wi-Fi robot for 50 ft pools, for owners who want a filter-full warning and a caddy.
Maytronics $1,329 Pool Express $1,629$1,329
Polaris VRX iQ+
#10 in CordedFull review
Polaris’s top corded robot, for big in-ground pools whose owners want app modes and an easy lift-out.
Leslie's $1,499 Walmart $1,499$1,499
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