Polaris P724
#19 in CordedFull review
A budget full-coverage Polaris for small and mid-size in-ground pools.
Leslie's $599 Walmart $599$599
The Polaris P724 is the better robotic pool cleaner overall, rated 3.5 to 2.9. The Polaris P724 leads on cleaning. The Dolphin E10 costs $100 less ($499 vs $599).
Dolphin E10
#36 in CordedFull review
A low-cost floor cleaner for above-ground pools, with a longer warranty than the Nautilus AG.
Leslie's $568 Pool Express $499$499
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Polaris P724 for cleaning (Floor, walls and waterline vs Floor only).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Polaris P724 | Dolphin E10 |
|---|---|---|
| Overall rating | 3.5/5 | 2.9/5 |
| Value 25% | 62 $599 | 70 $499 |
| Cleaning 25% | 85 Floor, walls and waterline | 20 Floor only |
| Navigation 15% | 50 navigation not published (neutral score used) | 50 Smart scanning |
| Warranty 15% | 50 warranty not published (neutral score used) | 50 2-year warranty |
| Pool size 10% | 50 pool size not published (neutral score used) | 17 pools up to 30 ft long (about 450 sq ft) |
| Features 10% | 0 0 of 4; no app control, scheduling, swivel cable, caddy | 0 0 of 3; no app control, scheduling, swivel cable |
Specifications
| Polaris P724 | Dolphin E10 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | - | Up to 30 ft long |
| Pool types | In-ground | Above-ground |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor only |
| Surface skimming | No | No |
| Filter | 3 L canister, transparent lid | Fine Filter Kit, top access |
| Filter capacity | 3 L | - |
| Water flow | - | 4,000 gal/h |
| Power | ||
| Power | Corded, 50 ft cable | Corded |
| Run time | - | Longest cycle 1 h 30 min |
| Swivel cable | No | No |
| Navigation & app | ||
| Navigation | - | Smart scanning |
| App | No | No |
| Scheduling | No | No |
| Caddy included | No | - |
| Build | ||
| Weight | - | 14.6 lb (6.6 kg) |
| Warranty | - | 2 years |