Does it support EAN?
This is just a tool to attack Garmin.
Classic. Then when you forget to pay or Oceanic closes shop your computer becomes just a watch.So on their website Oceanic has more info.
Their "premium" version that acts as a dive computer will require a subscription - "Purchase a single subscription or a Family Share subscription for up to five people on your Apple Family Share plan"
Looks like they have also got an iPhone version of the app to use in one of those smartphone case things.
This is just a tool to attack Garmin.