A view of the application

Apnea CWT, the vertical freediving app.

Use your Garmin watch for your depth freediving training.

A view of the application


Everything is visible at a glance

Time in immersion, max depth, cycle number and much more ...

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Immersion view


Nothing to do, no button to operate

Switching to immersion mode is automatic. A new screen displays useful information.

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Alert view


Depth alert

An alarm warns you when target depth is exceeded

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Data view


Information about your last descent

Get additional information about last dive, including each dive leg time

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Data view

Very useful

Session record

A second data screen displays your max time in immersion and of course your maximum depth.

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All information on just 2 screens

A surface screen that switches to a specific display during immersion.

Surface view
Immersion view
  • Surface time
  • Immersion time
  • Heartrate
  • Current depth
  • Current vertical speed
  • Immersions count
  • Recording status

Stay informed during your dive

Vibration alerts diver if too fast or too slow.

Set interval in seconds for timed alert during dive or recovery.

Cadence view
Alert view


Depth alert

An alarm warns you when target depth is exceeded

Alert view


Watch your buddy

You can choose to display a page called buddy page which allows you to time the immersion time of your dive partner, the total number of dives is also counted and displayed.

Settings view

All settings at a fingertip.

Fine-tune your workout

  • Depth alert
  • Current depth notify
  • Activity recording
  • Dive detection depth setup: 0.3m, 1m or 1.5m.
  • Interval alert setup for immersion: Off, 10", 20", 30", 50", 1', 2'
  • Interval alert setup for recovery: Off, 10", 20", 30", 50", 1', 2'
  • Toggle alert backlight
  • Backlight on during all immersion
  • Simulation

Explore your dives

Upload your activities and analyze your dives in detail.

  • Analyze all your dives via charts
  • Each dive is analyzed and its data extracted
  • Add note, tags
  • And many other features


Apnea app is currently compatible with this devices:

  • Garmin D2™ Air
  • Garmin D2™ Bravo
  • Garmin D2™ Bravo Titanium
  • Garmin D2™ Charlie
  • Garmin D2™ Delta
  • Garmin D2™ Delta PX
  • Garmin D2™ Delta S
  • Garmin Descent™ Mk1
  • Garmin Descent™ Mk2, Descent™ Mk2i
  • Garmin Descent™ Mk2 S
  • Garmin epix™ (Gen 2), quatix® 7 Sapphire
  • Garmin fēnix® 3 HR
  • Garmin fēnix® 3, tactix® Bravo, quatix® 3
  • Garmin fēnix® 5 Plus
  • Garmin fēnix® 5, quatix® 5
  • Garmin fēnix® 5S
  • Garmin fēnix® 5S Plus
  • Garmin fēnix® 5X Plus
  • Garmin fēnix® 5X, tactix® Charlie
  • Garmin fēnix® 6, 6 Solar, 6 Dual Power
  • Garmin fēnix® 6 Pro, 6 Sapphire, 6 Pro Solar, 6 Pro Dual Power, quatix® 6
  • Garmin fēnix® 6 Pro System 5 Preview
  • Garmin fēnix® 6S, 6S Solar, 6S Dual Power
  • Garmin fēnix® 6S Pro, 6S Sapphire, 6S Pro Solar, 6S Pro Dual Power
  • Garmin fēnix® 6X Pro, 6X Sapphire, 6X Pro Solar, tactix® Delta Sapphire, Delta Solar, Delta Solar - Ballistics Edition, quatix® 6X, 6X Solar, 6X Dual Power
  • Garmin fēnix® 7
  • Garmin fēnix® 7S
  • Garmin fēnix® 7X, tactix® 7, quatix® 7X Solar, Enduro™ 2
  • Garmin fēnix® Chronos
  • Garmin Forerunner® 645
  • Garmin Forerunner® 645 Music
  • Garmin Forerunner® 745
  • Garmin Forerunner® 920XT
  • Garmin Forerunner® 935
  • Garmin Forerunner® 945
  • Garmin Forerunner® 945 LTE
  • Garmin Forerunner® 955, Solar
  • Garmin Forerunner® 965
  • Garmin MARQ® Captain, MARQ® Captain: American Magic Edition
  • Garmin MARQ™ Athlete
  • Garmin MARQ™ Aviator
  • Garmin MARQ™ Driver
  • Garmin MARQ™ Expedition
  • Garmin Venu™
  • Garmin Venu™ 2
  • Garmin Venu™ Mercedes-Benz® Collection
  • Garmin vívoactive® 3
  • Garmin vívoactive® 3 Mercedes-Benz® Collection
  • Garmin vívoactive® 3 Music
  • Garmin vívoactive® 3 Music LTE
  • Garmin vívoactive® 4
  • Garmin vívoactive® 4S

Partial support or particularity of the device, consult the FAQ.

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Frequently Asked Questions

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