Apnio
Health & Fitness
$2.99 · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Apnio is your personal freediving and apnea training companion, designed for beginners and experienced freedivers alike.
SCIENTIFIC TRAINING METHODS
Train with proven techniques used by professional freedivers:
• O2 Tables — Build oxygen tolerance with progressive breath-hold intervals
• CO2 Tables — Increase CO2 tolerance with fixed holds and decreasing rest
• Breath Holding Test — Track and improve your personal best breath-hold time
• Square Breathing — Box breathing exercises for relaxation and focus
PERSONALIZED TRAINING PLANS
Get custom training plans tailored to your skill level and goals. Apnio adapts to your progress so you improve at your own pace — whether you're just starting out or preparing for competitive freediving.
DRY & POOL MODES
Switch between Dry mode for training at home and Pool mode for water sessions. Pool mode enables Water Lock on Apple Watch to prevent accidental touches underwater.
APPLE WATCH COMPANION
Train directly from your wrist without your phone. The Apple Watch app provides:
• Full training controls and real-time countdown timers
• Heart rate monitoring during breath holds
• Haptic feedback for phase transitions
• Water Lock support for pool sessions
TRACK YOUR PROGRESS
• View detailed session history with times, rounds, and heart rate data
• Weekly performance analytics and progress charts
• Personal best tracking for breath-hold tests
• Share training results with beautiful shareable cards
HEART RATE MONITORING
Monitor your heart rate in real-time during training sessions. See average and max BPM for each session, and track how your body adapts over time.
APPLE HEALTH INTEGRATION
Sync your training sessions and heart rate data to Apple Health for a complete view of your fitness journey.
FEATURES
• 4 scientifically-backed training modes
• Personalized weekly training plans
• Real-time heart rate monitoring
• Apple Watch companion app
• Dry and Pool training modes
• Detailed session history and analytics
• Progress tracking with charts
• Shareable training result cards
• Custom training tables
• Audio and haptic coaching cues
Start your freediving journey today with Apnio.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://apnio.health/privacy-policy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Redesigned tab bar with a cleaner, modern look
- Improved onboarding screens with smoother visuals
- "Rate the App" now links directly to the App Store
- General UI polish and stability improvements
Subscriptions
The developer, Marko Mirtic, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Contact Info
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Marko Mirtic
- Size
- 70.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 11.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Apnio Pro $2.99
- Copyright
- © 2026 Marko Mirtic