Poseidon Reef 4+

Plan Dive Analyse

Poseidon Diving Systems AB

    • Free


Plan, dive, analayse. This is the complete dive tool for every diver.

Featuring a state-of-the-art dive log, planner and device configuration, Reef provides a complete dive tool for every diver no matter experience, level or dive style. It is designed to maximize your passion of diving by extending the experience before and after the dive. Bring all the power of the Reef app wherever you go.

Dive Log
> Comprehensive and detailed overview of all your dives
> Sort and filter
> Import and export functionality
> Personalize dives with custom made details, images, location etc
> Interact with your dives in the chart functionality
> Visualize complex data such as tank pressures, pO2, loop temperature etc*
> Toggle data you want to visualize
> Zoom in on portions of the dive you are interested in

> Comprehensive overview of all planned dives
> Sort and filter
> Single or series of dives
> OC (Open Circuit) and CCR (Closed Circut Rebreather)
> Unlimited numbers of tanks
> DCAP and Buhlmann decompression models available
> Bailout scenario
> Gas content configuration

Device Manager
> Connect your Poseidon M28 dive computer through WiFi
> Information about connected submodules
> Download and backup dives in the cloud
> Service information
> Total dive time
> Firmware information

*Only available for with Poseidon M28 dive computer

Ratings and Reviews


A big miss

Had very high hopes, but Poseidon just needs to stick to building regs. I ran a couple of CCR dives in the planner and the numbers are way off. A dive to 175’ for 20 minutes shows a total run time of 220 minutes? That alone gives me 0 confidence in the app. I’ll stick with IDeco Pro.

App Privacy

The developer, Poseidon Diving Systems AB, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Contact Info
  • User Content
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

You Might Also Like