ZenDepth

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