Head-to-Head Comparison

Dolphin S300 vs Blue Helix One

Our pool experts compare features, filtration, specs, and value to help you pick the right robotic pool cleaner.

Dolphin S300

$1499

View S300

Our Top Pick

Blue Helix One

★★★★☆ 4.6 (7)

$499$1299

Save $800

View Blue Helix One

Blue Helix One or Dolphin S300 — which wins?

Our pick: the Blue Helix One

Diving into the Dolphin S300 vs Blue Helix One, our pool experts weigh filtration, cleaning coverage, smart features, and value. For most pools, the Blue Helix One is the robot we recommend — and right now you save $800.

Side by Side

Feature Comparison

The features that matter most when comparing the Dolphin S300 and Blue Helix One.

Feature	S300	Blue Helix OneOur Pick
Standard Filter
Wall Climbing
Waterline Cleaning
Programmable Weekly Timer
Dual Stabilizer
Anti-Tangle Swivel

Explained

Compare Features in Detail

Programmable Weekly Timer

An automatic pool cleaner should be automatic. A programmable weekly timer sets the robot to clean on a schedule — every day, every other day, or a few times a week — without you turning it on and off.

Dolphin S300 includes this

Blue Helix One includes this

Dual Stabilizer

Essential for waterline cleaning, dual stabilizers let the unit cling to the walls for a more precise, deeper clean at the waterline — with increased agility and an easy pickup handle.

Dolphin S300 does not

Blue Helix One includes this

Anti-Tangle Cable Swivel

Say goodbye to tangled cords. An anti-tangle swivel lets the robot move 360° around your pool without the cord getting tangled, so you can sit back while it cleans. Learn more ›

Dolphin S300 includes this

Blue Helix One does not

Warranty Coverage

A robot is only as good as its warranty. Buying through an Authorized Dealer like Poolbots gets you the full manufacturer warranty — never pro-rated or limited by cleaning cycles — plus a 30-day in-pool trial with no restocking fees. Learn more ›

Dolphin S300 2-year warranty

Blue Helix One 2-year warranty

The Details

Specifications

	S300	Blue Helix One
Part Number	99996221-USWI	—
Waterline Cleaning	Yes	Yes
Multi-Media®	No	No
Filters Included	Ultra-Fine Filter Kit	1
Filter Cleaning	Top Access	Filter Basket
Cleaning Coverage	Floor, Walls and Waterline	Floor, Wall, and Waterline
Cleaning Cycle	2 hours	1, 2, 3 hours
Number of Brushes	2	2
Cable Length	60 ft	50ft
Anti-Tangle Swivel	Yes	No
Pool Types	In Ground	In Ground
Maximum Pool Size	50 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	No
Automated Weekly Timer	Yes	Yes
Remote Operation	No	Yes - Through App
Restocking Fee	No	No
Warranty	2 Years	2 Years