Our pick: Clear UV
Clear UV is the Pool Express pick in this matchup. Clear UV cleans the floor, walls and waterline instead of stopping below the tile line. Clear UV includes filtration for sand, pollen and other fine debris.
CLEAR
Clear UV
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Nautilus
Dolphin Nautilus Pool Up
Inground and above-ground pools up to 30 ft that need floor and wall cleaning, with heavy leaves.
Why Clear UV is our pick
Clear UV
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,999
Buy Clear UVClear UV or Dolphin Nautilus Pool Up: our take
Clear UV and Dolphin Nautilus Pool Up 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
Clear UV is intended for inground pools, while Dolphin Nautilus Pool Up is intended for inground and above-ground pools. Clear UV is rated for pools up to 50 ft; Dolphin Nautilus Pool Up is rated up to 30 ft. Clear UV cleans floor, walls, and waterline; Dolphin Nautilus Pool Up cleans floor and walls. Clear UV lists 2 active brushes, Intelligent navigation (C9 microprocessor), and Quad (2 pump + 2 drive) motors. Dolphin Nautilus Pool Up lists 1 active brush.
Filtration and debris
Clear UV includes UltraFilter; Dolphin Nautilus Pool Up includes Oversized leaf bag. That gives Clear UV the clearer documented edge for fine silt, pollen and sand. Dolphin Nautilus Pool Up has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Clear UV provides a weekly timer, smartphone control, and included remote control; Dolphin Nautilus Pool Up provides one-touch starts and power-supply controls. Clear UV uses a 59 ft corded cable with an anti-tangle swivel, while Dolphin Nautilus Pool Up uses a 40 ft corded cable. Clear UV is listed at 27.6 lb versus 18 lb for Dolphin Nautilus Pool Up; that 9.600000000000001 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Clear UV is listed at $1,999 and Dolphin Nautilus Pool Up at $499; Dolphin Nautilus Pool Up is $1,500 less. Clear UV lists a 3-year warranty compared with 2 years for Dolphin Nautilus Pool Up. Pool Express pick: Clear UV. Clear UV cleans the floor, walls and waterline instead of stopping below the tile line. Clear UV includes filtration for sand, pollen and other fine debris. Choose Dolphin Nautilus Pool Up when it is the better fit for shoppers prioritizing the lower $499 starting price.
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 | Clear UV | Dolphin Nautilus Pool Up |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | YesEdge | No |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Yes | Not listed |
| 3-year warranty | YesEdge | No |
| No recharging between cycles | Yes | Yes |
| Built-in UV-C water treatment | YesEdge | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Clear UV stands out
Clear UV 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
- Adds built-in UV-C water treatment while the robot cleans
- Uses 2 active brushes instead of 1
Where Dolphin Nautilus Pool Up stands out
Dolphin Nautilus Pool Up is the better fit for shoppers prioritizing the lower $499 starting price.
- Includes an oversized leaf bag for bulky seasonal debris
- Includes a large-debris bin or bag for leaves
- Is listed $1,500 lower
- Weighs 18 lb versus 27.6 lb
Clear UV vs Dolphin Nautilus Pool Up 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 | Clear UV | Dolphin Nautilus Pool Up |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. | Inground and above-ground pools up to 30 ft that need floor and wall cleaning, with heavy leaves. |
| Starting price | $1,999 | $499 |
| Pool type | Inground | Inground, Above-ground |
| Maximum pool length | Up to 50 ft | Up to 30 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor, Walls |
| Power | Corded | Corded |
| Filtration | UltraFilter | Oversized leaf bag |
| Scheduling | Weekly schedule + app | One-touch start |
| App and remote | App + included remote | Power-supply controls |
| Cable | 59 ft with anti-tangle swivel | 40 ft |
| Robot weight | 27.6 lb | 18 lb |
| Warranty | 3 years | 2 years |
Choose Clear UV
Clear UV is the Pool Express pick in this matchup. Clear UV cleans the floor, walls and waterline instead of stopping below the tile line. Clear UV includes filtration for sand, pollen and other fine debris.
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