Apneue vs ZenDepth

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.

Master your breath. Extend your limits. ZenDepth is a personalized apnea training app built for freedivers, spearfishers, surfers, and meditators who want to go further underwater. Set your baseline. Get a 12-session adaptive plan calibrated to your personal best. Track your progress through phases as your hold times grow. SMART TRAINING PLANS CO2 tables build your tolerance to high carbon dioxide. O2 tables train your body to use oxygen more efficiently. Every plan adapts to your current level and improves with you. GUIDED STRETCHING Expand your lung capacity and thoracic mobility with five science-backed stretching exercises — guided in real time with live cues. UNLOCK TECHNIQUES Master 20 breath-hold techniques progressively as you train — from Recovery Breathing to advanced Breath Packing. GAMIFIED MILESTONES Earn badges, conquer phases, and watch your guided streak grow. Training feels like progress, not a grind. TRAIN WITH FRIENDS Add friends by username and see how your personal bests stack up. A private leaderboard built for the freediving community. BEAUTIFUL BY DESIGN An underwater aesthetic that makes every session feel like a dive. Animated backgrounds, glass-morphic UI, and haptic feedback designed for focus and flow. ZenDepth is free to start. Unlock all training phases with a premium subscription after completing the first training phase. Terms of Use: https://zendepth.app/terms.html