Nautive – Freediving Trainer

CO₂ & O₂ Tables · Apple Watch

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

Adaptive freediving training with Apple Watch, Live Activities & CloudKit sync. Your CO2/O2 coach — now Nautive, smarter than ever. Dive deeper. Breathe smarter. Get better. Nautive is your personal freediving coach — built by a freediver, for freedivers. The app combines science-based training methods with cutting-edge Apple technology, automatically adapting to your level after every session. Apple AI helps you make sense of your data and progress. Train smart CO2 tables build your CO2 tolerance, O2 tables improve your oxygen efficiency, and Free Static measures your maximum capacity. Box Breathing calms your nervous system before training, Relax Tables gently trigger the dive reflex in a relaxed state. The adaptive algorithm analyzes your performance and wellbeing after every session and calculates the optimal target for your next workout — automatically, no manual setup needed. Apple Watch — your training partner on your wrist Start and control sessions directly from your Apple Watch. Real-time heart rate, precise breathing guidance with haptic feedback, and full sync between iPhone and Watch. Live Activities and Dynamic Island keep your progress visible even from the lock screen. Apple Watch Ultra also captures dive depth and water temperature directly into your dive log. 12-week program A structured training program guides you step by step toward your personal best. Week by week, the algorithm adapts to your progress. After 12 weeks, see how far you've come — with a detailed summary report and your next cycle ready to go. Dive log Automatically import real dives from the Apple Fitness app (Apple Watch Ultra) or log them manually. Link dives to training sessions and see how your training shows up in the water. Safety first O2 training requires course qualification (AIDA 2 / SSI Level 1+). Buddy reminders for water training. Nautive trains you — but never without a safety net. What you get – CO2 tables, O2 tables, Free Static apnea – Box Breathing with square animation and Watch haptics – Relax Tables with structured breathing guidance – Adaptive algorithm after every session – Apple Watch as a full standalone app – Heart rate and SpO₂ tracking per round – Live Activities & Dynamic Island for active sessions – Audio Coach with voice cues – iCloud sync across your devices (Premium) – Dive log with HealthKit import (Ultra) – Progress charts and CO2 tolerance index – 12-week program with completion report – German and English Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app has not received enough ratings or reviews to display an overview.

Naudic is now Nautive — same app, new name. New: - iCloud sync: Your training data now syncs across all your devices (Premium) - Live Activities & Dynamic Island: Track your active session even from the lock screen - Audio Coach: Voice cues guide you through your session, with selectable voice quality Improved: - Numerous stability and data-integrity fixes for session storage - More reliable sync between iPhone and Apple Watch - Minor bug fixes and performance improvements

Version 1.5

The developer, Martin Busse, 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
    • Purchases
    • Financial Info

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Provider
  • Martin Busse
Size
  • 14.7 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 26.0 or later.
  • iPhone
    Requires iOS 26.0 or later.
  • iPad
    Requires iPadOS 26.0 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.0 or later.
  • Apple Watch
    Requires watchOS 26.2 or later.
Languages
  • English and German
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Medical Treatment Information
In-App Purchases
Yes
  • VIP USD 0.99
  • Naudic Premium USD 9.99
  • Naudic Premium USD 59.99
  • Learn More
Copyright
  • © M.Busse
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

    You Might Also Like