OxyBoost vs Apneue

OxyBoost is a minimalist breathwork training app for practicing breathing patterns, breath holds, and relaxation. Create adjustable exercises and track your practice over time. Key Features: • Box breathing • O2 / CO2 / Relaxation (no contraction) apnea tables • Customisable exercises with adjustable intervals • History and statistics • Live heart rate and blood oxygen from supported external Bluetooth sensors • Interactive sensor charts with breathing and hold phases • Share exercise by link or QR • Music during exercises, with search, styles and synced favorites • Offline listening for tracks whose artists enable downloads • Voice guidance and subtle notifications • Dark and light theme support • Practice screen customisation • Realtime sync across your devices • Training history and music favorites saved to your account • Sign in with Apple Sensor readings are provided by a compatible external Bluetooth device; OxyBoost does not measure heart rate or blood oxygen using the iPhone itself. The available readings and their accuracy depend on the connected sensor. Readings are displayed and saved as part of your training history and are not intended for diagnosis, treatment, medical decisions, or monitoring the safety of a breath hold. Disclaimer: This app is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider before starting any breathwork or apnea training and before making medical decisions. Do not disregard medical advice or delay in seeking it because of something you have read in this app. Terms of Use: https://oxyboo.st/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://oxyboo.st/privacy

Apneue is a simple apnea training app for breath-hold practice and structured breathing, designed for clarity, consistency, and calm. Test your maximum hold and track progress over time. Generate CO₂ and O₂ tables from your max hold or customize them to match your training style. Use the visually guided box breathing sessions to practice controlled and relaxed breathing. Review your sessions with detailed statistics, Apple Health integration, and optional reminders. Smooth wave animations keep training focused and and distraction-free, while optional customization unlocks additional themes and alternate app icons. All core functionality is free. Apneue is an independent app built and maintained by a single developer with a focus on simplicity, usability, and privacy. Caution: Breath-hold training involves risk. Apneue is for training and informational purposes only and is not a medical device. Always train within your limits, and never practice breath holding in unsafe conditions or in water without proper supervision.