Spira APP
Spira is the complete freediving and apnea training companion — built for divers who take breath-hold seriously.
+ TRAINING TABLES
Generate CO₂ and O₂ training tables in seconds, or build fully custom breath-hold sequences. A guided timer walks you through every hold and recovery with precision.
+ AI COACHING
Get a personalized weekly training plan powered by AI, calibrated to your personal best and current fitness level. Plans adapt as you improve.
+ PROGRESS TRACKING
Every session is automatically saved. Review your hold times, contraction patterns, and heart rate data. Track personal records and watch your progress curve grow.
+ BUDDY SYSTEM
Train safely with real-time buddy monitoring. Get live alerts when your partner marks contractions during a session — safety first, always.
+ WEARABLE INTEGRATION
Connect Apple Health or Google Health Connect to enrich your sessions with heart rate and HRV data automatically.
+ SESSION HISTORY
Filter and browse your full training history. Swipe to delete, compare sessions, and spot trends across weeks and months.
Spira is designed for freedivers, spearfishers, and breath-hold athletes who want more than a stopwatch.
Read more
+ TRAINING TABLES
Generate CO₂ and O₂ training tables in seconds, or build fully custom breath-hold sequences. A guided timer walks you through every hold and recovery with precision.
+ AI COACHING
Get a personalized weekly training plan powered by AI, calibrated to your personal best and current fitness level. Plans adapt as you improve.
+ PROGRESS TRACKING
Every session is automatically saved. Review your hold times, contraction patterns, and heart rate data. Track personal records and watch your progress curve grow.
+ BUDDY SYSTEM
Train safely with real-time buddy monitoring. Get live alerts when your partner marks contractions during a session — safety first, always.
+ WEARABLE INTEGRATION
Connect Apple Health or Google Health Connect to enrich your sessions with heart rate and HRV data automatically.
+ SESSION HISTORY
Filter and browse your full training history. Swipe to delete, compare sessions, and spot trends across weeks and months.
Spira is designed for freedivers, spearfishers, and breath-hold athletes who want more than a stopwatch.
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