Head-to-Head Comparison
Dolphin Liberty 400 vs Dolphin Nautilus Pool Up
Our pool experts compare features, filtration, specs, and value to help you pick the right robotic pool cleaner.
Dolphin Nautilus Pool Up or Dolphin Liberty 400 — which wins?
Our Recommendations
Neither the Dolphin Liberty 400 nor the Dolphin Nautilus Pool Up is one of the cleaners our pool experts promote. Consider a proven ProLine, Max-Series, or Clear model instead — each is backed by its full manufacturer warranty and our 30-day in-pool trial.
Dolphin Escape
- Free NanoFilter Panels with Purchase
- Active Brush - Scrubs 2X Faster
- 2 Year Warranty
- Built for Above Ground and Inground Pools Up to 33ft
Dolphin Cayman
Open Box $1059Refurbished $999
- Free NanoFilter Panels with Purchase
- Active Brush - Scrubs 2X Faster
- 2 Year Warranty
- Built for Above Ground and Inground Pools Up to 33ft
Dolphin Quantum
Open Box $1529Refurbished $1419
- myDolphin Plus App with Weekly Timer
- XXL MaxBin™ with NanoFilters
- 2 Year Warranty
- Built for Inground & Above Ground Pools up to 50ft
More ways to save on the Escape
Certified & warranty-backedMore ways to save on the Cayman
Certified & warranty-backedMore ways to save on the Quantum
Certified & warranty-backedSide by Side
Feature Comparison
The features that matter most when comparing the Dolphin Liberty 400 and Dolphin Nautilus Pool Up.
| Feature | Liberty 400 | Nautilus Pool Up |
|---|---|---|
| Standard Filter | ||
| NanoFilters™ | ||
| Multi-Media™ | ||
| Oversized Leaf Bag | ||
| Wall Climbing | ||
| Waterline Cleaning | ||
| Hands-Off Weekly Timer | ||
| Hands-Off Daily Cleaning | Recharge daily | ✓ No manual recharge |
| Smartphone App Control | ||
| Full Filter Indicator | ||
| Gyroscope Navigation | ||
| Dual Stabilizer | ||
| Anti-Tangle Swivel | ||
| 3-Year Warranty |
Explained
Compare Features in Detail
Warranty Coverage
A robot is only as good as its warranty. The Dolphin Liberty 400 is backed by a 2-year warranty, while the Dolphin Nautilus Pool Up carries a 1-year 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 ›
The Details
Specifications
| Liberty 400 | Nautilus Pool Up | |
|---|---|---|
| Part Number | — | 99996003-US |
| Waterline Cleaning | No | No |
| Multi-Media® | No | No |
| Filters Included | — | 1 |
| Filter Cleaning | Filter Basket | Filter Bag |
| Cleaning Coverage | Floor and Walls | Floor, Walls |
| Cleaning Cycle | 1.5 hours | 2 hours |
| Number of Brushes | 1 | 2 |
| Cable Length | No Cable | 40 ft |
| Anti-Tangle Swivel | — | No |
| Pool Types | In-Ground & Above Ground | In Ground & Above Ground |
| Maximum Pool Size | 50 ft | 33 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 | Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass | Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass |
| Media-Alert® | — | No |
| Hands-Off Weekly Timer | No | No |
| Daily Recharging Required | Yes | No |
| Smartphone App | No | No |
| Remote Operation | No | No |
| Restocking Fee | — | No |
| Warranty | 2 Years | 1 Years |
Go Deeper
Read Our Expert Reviews
Our in-depth reviews are written by pool experts to help you make an informed decision.
Dolphin Liberty 400
Read Dolphin Liberty 400 ReviewDolphin Nautilus Pool Up
Read Dolphin Nautilus Pool Up ReviewKeep Comparing
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What’s Next?
Still narrowing it down? These expert guides and tools make it easy to find the right pool robot for your pool — most ship free, same day.

Pool Robot Buying Guide
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Robot Selector
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Pool Volume Calculator
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