STAmina Apnea Trainer8.4.0

BY FREEDIVERS, FOR FREEDIVERS TO STAY UNDERWATER FOR LONGER.
► Helps with physical and mental aspects of improving the ability to hold your breath
► Over 50k+ users
Hold your breath longer underwater with the best freediving apnea trainer - STAmina Apnea Trainer. By freedivers, for freedivers, our freedive apnea trainer helps you with static apnea tables and lung capacity training so you can effectively increase the time when diving underwater.
See why STAmina Apnea Trainer is one of the best apnea apps to improve the breath-holding time for freediving, scuba diving and spearfishing, as well as surfing, running, and other water sports with 6 different apnea tables types.
■ FREEDIVING & SPEARFISHING APNEA TRAINER FEATURES:
◉ 6 APNEA TABLE OPTIONS
STAmina Apnea Trainer can create / generate custom apnea (exercises that are automatically created based on the maximum breath-hold and match the user’s level) or let you select from the following customizable table types:

- O2 deprivation table - accustoms a body to lower oxygen levels. This is achieved by increasing the amount of time that you hold your breath on each attempt, while the resting time is fixed.

- CO2 Tolerance table - helps a body to adapt to high carbon dioxide levels. This is achieved by decreasing the length of resting time between fixed breath-hold periods.

- Wonka table - a variation of CO2 tables. Apnea timer starts after the first contraction, the rest time takes one breath.

- Mix table - tables where apnea time increases and rest time decreases with each round.

- Custom table - allows mixing of different approaches to create a custom training, thus generating the most effective training program.

- Pranayama - a breathing technique to decrease stress in the body and relax the nervous system.
◉ APPLE HEALTH SYNCRONIZATION
◉ PERSONALIZED TRAINING WITH VARYING DIFFICULTY
When you start working with the application, you set your personal record in breath holding. Based on this data, the app will offer a personalized training program with exercises of 3 difficulty levels to choose from: easy, normal, and hard.
◉ PERSONALIZED EXERCISE SETTINGS
Each exercise can be edited by setting your own number of repetitions, breath hold time, rest time, etc.
◉ TRAINING REMINDERS
Get the notification to start your apnea training. Set a reminder in the apnea diver app for the day and the time & get a notification to do a breath holding training session.
◉ PERSONAL STATISTICS AND DETAILED TRAINING HISTORY
All your workouts and exercises are recorded in the freedive trainer app to track the detailed progress of each training.
◉ VOICE GUIDANCE
Training may be accompanied by voice guidance with male/female voices recorded by professional voice actors. STAmina supports English, French, Russian voice guidance.
◉ HEART RATE AND OXYGEN SATURATION TRACKING
Track your heart rate while doing breath holding exercises (a compatible HR monitor or pulse-oximeter is required)
◉ CONTRACTIONS TRACKING
Use our freedive trainer to track unlimited contractions, analyse captured data after exercises
◉ CLOUD SYNC / BACKUP
Access your data on multiple devices and easily restore it in case you switch devices/phones.
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Stamina Apnea Trainer allows training breath hold effectively for anyone who cares about all kinds of diving including:
> beginner or professional freedivers;
spearfishers;
> scuba divers to learn how to dive longer on one tank;
> surfers in case of unexpected breath hold;
> underwater sports athletes such as underwater rugby, hockey, etc.
> runners who want to train breath holding & high tolerance to CO2 while running

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Support: support@squarecrowdapps.com

Version History * Watch buttons — assign Select, Up, or Down on your Garmin watch to end intervals or register contractions
* More reliable Garmin connection and heart-rate data
* Tap to end cooldown: a new setting that lets you end a cooldown early with a tap.
* Contractions in CSV export: exported sessions now list every contraction with its timing.
* Correct start times in exports: exports now show the real session start time instead of midnight.
* Fixes: round numbering in workout history. 8.4.0 Oct 5 - Added a new table type based on the first contraction.
- Extended the Custom table type with an optional additional time after TAP. 8.2.0 Aug 7 Heart rate and SpO2 charts from older sessions should be back. Still see empty ones? Let us know from the in-app help. 8.1.8 May 13 Improved data migration from previous app versions 8.1.7 May 1 Improved History page 8.1.6 Apr 25 - Improved in-app purchase error handling
- Improved app stability 8.1.5 Apr 23 - Faster startup - apnea tables and history load quicker, with clearer loading progress.
- More reliable interval timer — fixed an occasional skipped interval during table sessions.
- Improved pulse oximeter stability (BerryMed, Wellue, Vibeat, Jumper and others).
- Fixed sort order for sessions completed on the same day. 8.1.3 Apr 14 New Features
- AirPods Pro 3 heart rate monitoring support
- Sensors popup for managing connected devices
- When multiple sensors are available, the app remembers your last selected sensor

Improvements
- Garmin device integration improvements
- Better handling of taps and contractions during exercises
- Improved picker stability

Bug Fixes
- Fixed SpO2 chart legends and label display
- Fixed a crash that could occur when finishing an exercise
- General stability improvements 8.1.2 Apr 9 Fixed the issue with the picker controls. 8.0.10 Apr 4 Fixed the crash on the Congratulations page. 8.0.9 Mar 31 Fixed an issue with gesture configuration settings. 8.0.8 Mar 28 Fixed an issue with exporting personal best records to CSV files 8.0.7 Mar 26 Fixed an issue where heart rate data on the History page could appear squeezed to the right edge of the chart, with exercise intervals compressed to the left. 8.0.6 Mar 24 - Fixed an issue where chart data could be missing after a recent app update
- Fixed calendar not displaying in the correct language
- Improved crash reporting to help us identify and fix issues faster 8.0.5 Mar 18 Improved the stability of the History page 8.0.4 Feb 26 Improved stability when using Garmin devices 8.0.3 Feb 20 We’ve fixed several issues to make the app more stable and smoother to use:

- Improved subscription handling to prevent rare crashes during purchases or restores
- Fixed a problem where newly added personal best entries could show the wrong date
- Corrected the comment/note popup so the placeholder text appears properly
- Added extra protection when deleting history records to avoid unexpected crashes

As always, thanks for your feedback - it helps make the app better with every update! 8.0.2 Feb 19 This version includes a major internal upgrade that we’ve been working on for a long time.

We completely rewrote the core engine of the app. This doesn’t change the interface much, but it gives us a much stronger foundation and allows us to build new features faster and more reliably in the future.

New table type: Top Time table

You can now train using Top Time tables (also known as departure time or interval time).

How it works:
• Breathholds start at a fixed interval that you set
• Each breathhold lasts until you tap to stop
• Rest time is simply whatever remains until the next scheduled start

This format is great for controlled pacing and for sessions where you want to focus on performance within a structured time frame.

Thanks for supporting the app. These deep updates are what make the next steps possible. 8.0.1 Feb 17 Table generators have been rebuilt to support new table types (coming soon).
Fixed the missing 20s voice notification in the STAmina Classic voice scheme. 7.6.4 07/25/2025 Fixed an issue that prevented updates to custom tables. 7.6.1 06/07/2025 Reworked voices in the STAmina Classic profile
Added Italian voice
You can now upload notes with your Strava activity
You can now choose a sport type when syncing with Strava 7.6.0 06/03/2025 Fixed an issue with the missing text-to-speech setting that could cause the app to crash on launch or prevent exercises from starting. 7.5.1 04/16/2025 - Strava integration: completed exercises now sync automatically to your Strava profile after you connect your account
- New option to select a language for voice guidance in custom profiles 7.5.0 04/12/2025 Fixed an issue with the number picker on the custom exercise page. 7.4.4 02/23/2025 Improved connectivity with Garmin devices 7.4.3 02/13/2025