Robotic Pool Cleaners · Head to head

Dolphin Nautilus CC vs ECOVACS Ultramarine P1

Full Robotic Pool Cleaners comparison in 2026

Updated October 2026
Data from the official Dolphin and Ecovacs sites.
2026 verdict
ECOVACS Ultramarine P1 has the better all-around case than Dolphin Nautilus CC in 2026, starting with price, cordless, and connectivity.
ECOVACS Ultramarine P1
Winner
ECOVACS Ultramarine P1
$499.99
Buy on Amazon USA
The main reason it wins is price, cordless, and connectivity, and its broader overall balance strengthens that case. Dolphin Nautilus CC can still be the right pick, but only if rating outweighs the wider strengths of ECOVACS Ultramarine P1. That is enough to make ECOVACS Ultramarine P1 the better pick for most buyers.
vs
Connectivity
  • Wi-Fi 2.4 GHz
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FeatureDolphin Nautilus CCECOVACS Ultramarine P1Winner
Price€699.00$499.99ECOVACS Ultramarine P1
Rating4.03.7Dolphin Nautilus CC
CordlessNOYESECOVACS Ultramarine P1
ConnectivityNone2.4 GHz WiFiECOVACS Ultramarine P1
Pool CompatibilityIn-Ground Pools, Above-Ground PoolsIn-Ground Pools, Above-Ground PoolsTie
Cleaning CoverageFloor Cleaning, Wall CleaningFloor Cleaning, Wall CleaningTie
NavigationNoneObstacle AvoidanceTie
Solar ChargingNONOTie

Frequently Asked Questions

Which is better overall: Dolphin Nautilus CC or ECOVACS Ultramarine P1?

ECOVACS Ultramarine P1 has the stronger overall profile in this comparison, especially for price, cordless, and connectivity.

What is the biggest difference between Dolphin Nautilus CC and ECOVACS Ultramarine P1?

Price is one of the clearest differences: Dolphin Nautilus CC lists €699.00, while ECOVACS Ultramarine P1 lists $499.99.

Which one looks better on price?

Dolphin Nautilus CC is listed at €699.00, while ECOVACS Ultramarine P1 is listed at $499.99. ECOVACS Ultramarine P1 (better spec).

Who should buy Dolphin Nautilus CC?

Choose Dolphin Nautilus CC if your priority is rating and that matters more than price.

Who should buy ECOVACS Ultramarine P1?

Choose ECOVACS Ultramarine P1 if your priority is price and cordless and that matters more than rating.

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Full comparison table

Compare all 23 Robotic Pool Cleaners side by side

You are looking at two of them. The full table lines up all Robotic Pool Cleaners in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 23 Robotic Pool Cleaners
  • 51 specs compared
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