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About this app

inDepth Sync is the phone half of inDepth — it pulls your freediving and pool apnea sessions off your Garmin watch and turns them into a logbook.

It is a companion app. It needs the inDepth Blue (depth) or inDepth Pool watch app installed on a compatible Garmin device.

GETTING THE WATCH APP

The watch app is free. It installs from your computer in a couple of minutes — plug the watch in with its charging cable and run the installer. Step-by-step instructions, the list of supported Garmin models, and the download are at https://in-depth.app/help

WHAT YOU GET

• One logbook, both disciplines. Depth sessions and pool sessions land in a single newest-first list, grouped by month, each row colour-coded and carrying a per-dive depth bar or per-rep distance bar.

• Every dive, taken apart. Tap a dive for its full depth profile chart, descent and ascent rates, bottom and hang time, water temperature, and the heart-rate trace recorded through the dive.

• Surface rest, honestly reported. The watch runs the rest model you chose. 2x/3x dive time, Adaptive (AIDA), Taravana, or the Molchanovs system — and the phone flags in red any dive you started before your recovery was done.

• Pool sessions rep by rep. Per-length splits, rest between reps, discipline (DYN, DYNB, DNF, STA), and a per-rep heart-rate trace covering the rest before the swim and the swim itself.

• Build workouts on the phone. Lay out a pool session — reps, distances, rests, disciplines — and sync it to the watch to swim it.

• Trends and personal bests. Deepest dive, longest hang, longest static, furthest dynamic, plus how your numbers move over weeks and months.

• Name, tag, annotate. Rename sessions, tag them, add notes, and annotate individual dives and reps.

• Your data leaves when you say so. Export everything as CSV, or write a single-file backup you can restore onto another phone.



COMPATIBILITY

Works with Garmin Connect IQ. Requires the inDepth Blue or inDepth Pool watch app on a supported Garmin device and Garmin Connect Mobile on your phone. Garmin, fenix, Descent and Connect IQ are trademarks of Garmin Ltd.; inDepth is not affiliated with or endorsed by Garmin.
Freediving & pool training apnea logbook for your Garmin watch.
Updated on
Aug 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

UI / UX enhancements.