In September, Apple introduced a brand new wearable referred to as the Apple Watch Extremely, and one of many firm’s key pitches for the machine was its use as a diving pc. Now Oceanic+, the app that makes that function attainable, launched completely for the Extremely, Apple introduced at present.

The Watch Extremely has depth gauge and water temperature sensors that drive a few of the options within the app. To entry a couple of of these options—equivalent to decompression monitoring—you will should subscribe to the app’s premium model for $4.99 per day, $9.99 per thirty days, or $79.99 per yr. There’s additionally a household plan at $129.99 yearly. Should you do not subscribe, you may nonetheless use some key options like dive logs, depth monitoring, and so forth.

The app—which was developed in partnership with Apple by an organization referred to as Huish Outdoor, enables you to monitor dive situations like tides, water temperature, and extra. This is a fast abstract from Apple’s weblog publish announcement:

Within the dive planner, customers can set their floor time, their depth, and their gasoline, and Oceanic+ will calculate their No Deco (no-decompression) time—a metric used to find out a time restrict for a diver at a sure depth. The planner additionally integrates dive situations, together with tides, water temperature, and even up-to-date info from the group, equivalent to visibility and currents. Submit-dive, customers will see knowledge—together with GPS entry and exit places—routinely pop up on Apple Watch Extremely, together with a abstract of their dive profile. The abstract on the Oceanic+ iPhone app supplies further info, together with a map of entry and exit places, in addition to graphs of depth, temperature ascent fee, and no-decompression restrict.

A number of the options deal with both planning dives upfront or viewing dive reviews after you are accomplished, however for people who you employ underwater, the app makes use of haptics to ship you alerts. The Watch Extremely’s very shiny display screen may also help with legibility underwater, too.

The app does not work with different Apple Watch fashions. To make use of it, you will want an Apple Watch working watchOS 9.1, and that Watch have to be paired with an iPhone 8 or later working iOS 16.1.

Itemizing picture by Samuel Axon