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Robotic pool cleaner comparison

Dolphin Explorer E40 vs Dolphin Nautilus CC Plus

A side-by-side comparison of pool fit, cleaning coverage, filtration, controls and the better Pool Express option.

Dolphin Explorer E40 Dolphin Nautilus CC Plus
Better alternative

A stronger Pool Express option

Dolphin Explorer E40 and Dolphin Nautilus CC Plus are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.

A better alternative

What we recommend instead

Buying guidance

Dolphin Explorer E40 or Dolphin Nautilus CC Plus: our take

Dolphin Explorer E40 and Dolphin Nautilus CC Plus 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

Dolphin Explorer E40 is intended for inground pools, while Dolphin Nautilus CC Plus is intended for inground and above-ground pools. Both are rated for pools up to 50 ft. Dolphin Explorer E40 cleans floor; Dolphin Nautilus CC Plus cleans floor and walls. Dolphin Nautilus CC Plus's documented cleaning system includes 2 active brushes and CleverClean navigation.

Filtration and debris

Dolphin Nautilus CC Plus has documented included filtration—Standard filter—while the other model's included media is not fully published.

Controls and day-to-day ownership

Dolphin Explorer E40 provides no fully published timer, app or remote specification; Dolphin Nautilus CC Plus provides a weekly timer and smartphone control.

Price, warranty and the decision

Dolphin Explorer E40 is listed at $1,599 and Dolphin Nautilus CC Plus at $949; Dolphin Nautilus CC Plus is $650 less. Dolphin Explorer E40 lists a 3-year warranty compared with 2.5 years for Dolphin Nautilus CC Plus. Dolphin Explorer E40 and Dolphin Nautilus CC Plus each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.

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 Explorer E40 Dolphin Nautilus CC Plus
Cleans the pool floor Yes Yes
Climbs and cleans walls No YesEdge
Scrubs the waterline No No
Fine-debris filter included No No
Large-debris filter No No
Automatic scheduling Not listed Yes
Smartphone app Not listed Yes
Anti-tangle swivel Not listed Yes
3-year warranty YesEdge No
No recharging between cycles Not listed 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 Dolphin Explorer E40 stands out

Dolphin Explorer E40 is the better fit for inground pools up to 50 ft that need floor cleaning.

  • Carries a 3-year warranty instead of 2.5 years
  • Cleans the pool floor

Where Dolphin Nautilus CC Plus stands out

Dolphin Nautilus CC Plus is the better fit for shoppers prioritizing the lower $949 starting price.

  • Adds wall climbing and scrubbing
  • Has documented smartphone control
  • Is listed $650 lower

Dolphin Explorer E40 vs Dolphin Nautilus CC Plus 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 Explorer E40 Dolphin Nautilus CC Plus
Best fit Inground pools up to 50 ft that need floor cleaning. Inground and above-ground pools up to 50 ft that need floor and wall cleaning.
Starting price $1,599 $949
Pool type Inground Inground, Above-ground
Maximum pool length Up to 50 ft Up to 50 ft
Cleaning coverage Floor Floor, Walls
Power Not listed Corded
Filtration Not listed Standard filter
Scheduling Not listed Weekly schedule + app
App and remote Not listed App control
Cable Not listed 60 ft with anti-tangle swivel
Robot weight Not listed 20 lb
Warranty 3 years 2.5 years
Final call

Consider the stronger Pool Express option

Dolphin Explorer E40 and Dolphin Nautilus CC Plus are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.

Buy Dolphin Cayman

Keep comparing without rebuilding the same specification table yourself.