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Robotic pool cleaner comparison

BWT RC50 vs Dolphin Liberty 200

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

BWT RC50 Dolphin Liberty 200
Better alternative

A stronger Pool Express option

BWT RC50 and Dolphin Liberty 200 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

BWT RC50 or Dolphin Liberty 200: our take

BWT RC50 and Dolphin Liberty 200 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

BWT RC50 is intended for inground pools, while Dolphin Liberty 200 is intended for inground and above-ground pools. BWT RC50 cleans floor; Dolphin Liberty 200 cleans floor and walls. BWT RC50 lists 2 active brushes. Dolphin Liberty 200 lists Dual DC motors.

Filtration and debris

Dolphin Liberty 200 has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Liberty 200 has the better documented path for bulky leaves and larger debris.

Controls and day-to-day ownership

Both models provide no fully published timer, app or remote specification.

Price, warranty and the decision

BWT RC50 is listed at $1,399 and Dolphin Liberty 200 at $999; Dolphin Liberty 200 is $400 less. BWT RC50 lists a 3-year warranty compared with 2 years for Dolphin Liberty 200. BWT RC50 and Dolphin Liberty 200 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 BWT RC50 Dolphin Liberty 200
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 YesEdge
Automatic scheduling Not listed Not listed
Smartphone app Not listed Not listed
Anti-tangle swivel Not listed Not listed
3-year warranty YesEdge No
No recharging between cycles Not listed No
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 BWT RC50 stands out

BWT RC50 is the better fit for inground pools that need floor cleaning.

  • Carries a 3-year warranty instead of 2 years
  • Cleans the pool floor

Where Dolphin Liberty 200 stands out

Dolphin Liberty 200 is the better fit for shoppers prioritizing the lower $999 starting price.

  • Adds wall climbing and scrubbing
  • Includes a large-debris bin or bag for leaves
  • Is listed $400 lower

BWT RC50 vs Dolphin Liberty 200 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 BWT RC50 Dolphin Liberty 200
Best fit Inground pools that need floor cleaning. Inground and above-ground pools that need floor and wall cleaning, without a power cord.
Starting price $1,399 $999
Pool type Inground Inground, Above-ground
Maximum pool length Not listed Not listed
Cleaning coverage Floor Floor, Walls
Power Not listed Cordless
Filtration Not listed Basket
Scheduling Not listed Not listed
App and remote Not listed Not listed
Cable Not listed Cordless
Robot weight Not listed Not listed
Warranty 3 years 2 years
Final call

Consider the stronger Pool Express option

BWT RC50 and Dolphin Liberty 200 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.