Liberty 700s or S50. Which wins?
Diving into the Liberty 700s vs S50, our pool experts distinguish the key features you'll want to look for when choosing a pool robot. That way, you can decide between the Dolphin S50 or Dolphin Liberty 700s.
Compare essential features...
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S50 | Liberty 700s | Sigma | Premier |
Cleans Waterline | No |
No |
Yes | Yes |
Nano Filtration | No |
No |
Yes | Yes |
MultiMedia | No |
No |
No |
Yes |
Dual Stabilizer | No |
No |
Yes | Yes |
Gyroscope | No |
No |
Yes | No |
3 Year Warranty | No |
No |
Yes | Yes |
No Restocking Fee | No |
No |
Yes | Yes |
30 Day Trial | No |
No |
Yes | Yes |
Shop Now | Buy | Buy | Buy | Buy |
Shoppers ultimately bought... Compare vs.
Dolphin Sigma
Sigma adds waterline cleaning, NanoFilters™, triple motors, gyroscope, 3 year warranty + 30 Day Free Trial.
Dolphin Premier
Premier adds waterline cleaning, commercial grade motors, MultiMedia™, NanoFilters™, 3 year warranty + 30 Day Free Trial.
Compare Dolphin S50 vs Dolphin Liberty 700s
Features | S50 | Liberty 700s |
---|---|---|
Standard Filter | ||
NanoFilters™ | ||
MaxBin™ | ||
Multi-Media™ | ||
Leaf Bag | ||
Wall Climbing | ||
Waterline Cleaning | ||
Programmable Timer | ||
Full Filter Indicator | ||
Gyroscope | ||
Dual Stabilizer | ||
Anti-Tangle Swivel | ||
3 Year Warranty |
Compare Features
Standard Fine Filter
These standard filters help capture larger items such as small leaves and other debris, while maximizing flow rate. However, if your pool struggles with cloudy pool water, small algae, or sand. You many want to consider a unit with NanoFilters™.

The Dolphin S50 includes a standard filter.
The Dolphin Liberty 700s includes a standard filter.
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Compare Specifications
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Part Number | 99996131-USF | |
---|---|---|
ASIN | ||
Waterline Cleaning | No | No |
Multi-Media® | No | No |
# of Filters Included: | 1 | |
Filter Cleaning | Top Access | Filter Basket |
Cleaning Coverage | Floor | Floor and Walls |
Cleaning Cycle | 1.5 hours | 1.5 hours |
Number of Brushes | 1 | 2 |
Cable Length | 40 ft | No Cable |
Anti-Tangle Swivel | No | |
Pool Types | Above Ground | In-Ground & Above Ground |
Maximum Pool Size | 30 ft | 50 ft |
Pool Shape | Rectangle, Oval, or Freeform | Rectangle, Oval, or Freeform |
Obstacles | Steps, Ladder, Drain Cover, Ledges, Pop-Ups | Steps, Ladder, Drain Cover, Ledges, Pop-Ups |
Surface | Gunite, Fiberglass, Vinyl, Liner | Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass |
Media-Alert® | No | |
Automated Weekly Timer | No | |
Remote operation | No | No |
Restocking Fee | No |
|
Warranty | 2 Years | Years |
Read Reviews | Dolphin S50 Review | Dolphin Liberty 700s Review |