Aegean Breath | Apnea Trainer

Designed for freedivers, spearos, and biohackers, Aegean Breath combines professional training principles with modern technology to help you safely extend your limits. Whether you're training for depth or simply seeking calm, our adaptive CO2 and O2 tables grow with you.

💎 SIMPLE, LIFETIME ACCESS
Enjoy a premium training experience without recurring subscriptions.
One-Time Purchase: Pay once to own the app forever.
14-Day Free Trial: Experience the full app risk-free before you decide.
No Monthly Fees: Transparent pricing with no hidden costs.

❤️ VISUALIZE YOUR DIVE REFLEX
Connect your Bluetooth Heart Rate monitor to see exactly how your body reacts to low oxygen.
Real-Time Monitoring: Track your heart rate drop during holds.
Detailed Analytics: Overlay heart rate data with contraction times to understand your physiology.
Compatible: Works with most standard BLE heart rate monitors.

🧘 EYES-FREE TRAINING
Deep relaxation requires focus. Put your phone away and let us guide you.
Meet "Alfie": Our dedicated voice coach guides you through every breath and hold.
Haptic Feedback: Vibrations signal phase changes so you can train with your eyes closed.
Background Mode: Screen off? No problem. The training continues to save battery.

📊 SMART, ADAPTIVE TABLES
No more guessing. We calculate the perfect training plan for your current fitness level.
Best Effort Calibration: Perform a simple test to automatically generate custom CO2 and O2 tables.
Contraction Tracking: Log exactly when contractions start to analyze your struggle phase.
History & Progress: Visualize your improvement over weeks and months.

🔒 100% PRIVATE & OFFLINE
Your biometrics are your business.
No Accounts: Just download and train.
Offline First: Works perfectly on a boat, in a remote cove, or in airplane mode.
Local Data: Your data never leaves your device. No cloud sync, no tracking.

🌊 MODERN DESIGN
Built with Material Design 3.
Beautiful Dark Mode interface that's easy on the eyes during night sessions.
Ad-free experience.

⚠️ SAFETY WARNING
NEVER practice breath holding in water, while driving, or while standing. Always train dry, lying down on a soft surface like a bed or sofa. Shallow Water Blackout is a real risk even for experienced divers. Train safe, train dry.