Dolphin Nautilus Titan
$1599
1 year manufacturer warranty
Dolphin Nautilus Titan vs Dolphin S400
A side-by-side comparison of the Dolphin Nautilus Titan and Dolphin S400 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Dolphin S400
MSRP $1799
2 years manufacturer warranty
| Feature | Nautilus Titan | S400 |
|---|---|---|
| Overview | ||
| Price | $1599 | MSRP $1799 |
| Lineup | Nautilus™ | S-Series™ |
| Best for | Waterline cleaning with app control | Specialty-retailer line |
| Pool size | Up to 50 ft | Up to 50 ft |
| Cleaning coverage | Floor + Walls + Waterline | Floor + Walls + Waterline |
| Cleaning cycle | Scheduled or on demand | 2 hours |
| Suction | Not published | 4,000 GPH |
| Scrubbing brushes | 2 | 2 (active) |
| Filtration | Ultra-fine top-load basket | Multi-layer filter basket |
| Standout features | ||
| Waterline cleaning | Included | Included |
| 3-year warranty | No | No |
| NanoFilters™ included | No | No |
| MultiMedia™ filtration | No | No |
| Media-Alert™ | No | No |
| Oversized leaf bag | No | No |
| MaxBin™ filtration | No | No |
| HyperBrush™ scrubbing | No | No |
| App control | Included | Included |
| Anti-tangle swivel | No | Included |
| Corded power | Included | Included |
| Navigation & ownership | ||
| Navigation | CleverClean™ with pick-up mode | Not published |
| Weekly scheduling | Scheduling in the app | Weekly timer |
| App control | myDolphin Plus (Wi-Fi and Bluetooth) | myDolphin™ Plus app |
| Cable | 60 ft | Anti-tangle swivel cable |
| What is included |
|
|
| Warranty | 1 year | 2 years |
Dolphin Nautilus Titan vs Dolphin S400: how they compare
The Dolphin Nautilus Titan is part of the Nautilus™ lineup — wall-to-waterline cleaning with app scheduling and a pick-up mode that brings the robot to the edge. It cleans pools up to 50 ft with floor + walls + waterline coverage and Ultra-fine top-load basket filtration, backed by a 1-year warranty.
The Dolphin S400 is part of the S-Series™ lineup — a specialty-retailer model with myDolphin™ Plus app control and a caddy in the box. It handles pools up to 50 ft with floor + walls + waterline coverage and Multi-layer filter basket filtration, backed by a 2-year warranty.
Our verdict: the Dolphin S400 wins
Between these two, the Dolphin S400 is the stronger robot on paper — a specialty-retailer model with myDolphin™ Plus app control and a caddy in the box. It cleans with floor + walls + waterline coverage and Multi-layer filter basket filtration, backed by a 2-year warranty.
Our top recommendation: neither of these is in our two best lineups. For the best clean in this price range, step up to the Dolphin Quantum Pro from our ProLine™ — our top pick, highlighted at the top of this comparison.
Not sure yet? We're here to help
Every Dolphin Max-Series™ and ProLine™ robotic pool cleaner ships free and is backed by a full manufacturer warranty — explore our top-recommended robots and find the right fit for your pool.
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