--- title: "O2 — Breath Hold Trainer - Reviews, Revenue and Downloads in Cyprus | Apple App Store" description: "Train your breath. Calm your mind. O2 is a beautifully designed breath training app that helps you build focus, reduce stress, and extend your breath-hold time — whether you're a freediver, meditator" --- # O2 — Breath Hold Trainer — Cyprus > Mindful Breathing & Meditation ![O2 — Breath Hold Trainer App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/b5/ae/ba/b5aeba7d-040a-fb3b-f9c2-25fc7de2af35/AppIcon-0-0-1x_U007epad-0-1-85-220.jpeg/434x0w.png) **Developer:** [Denis Tronin](https://apptail.io/developer/denis-tronin-qWlc) **Category:** Health Fitness **Rating:** 5.0/5 (3 ratings) **Price:** Free **Bundle ID:** o2-breath.truebloom.ltd **Store:** Apple App Store **Country:** Cyprus **Version:** 1.13 (released 2026-09-01) **Original Release:** 2026-01-12 **Languages:** English, French, German, Indonesian, Japanese, Korean, Portuguese, Russian, Chinese, Spanish **App Store Link:** [Download on Apple App Store](https://apps.apple.com/cy/app/app/id6757519007) **AppTail Page:** [https://apptail.io/app/o2-breathing-trainer-lyyy/cyprus](https://apptail.io/app/o2-breathing-trainer-lyyy/cyprus) ## O2 — Breath Hold Trainer Description Train your breath. Calm your mind. O2 is a beautifully designed breath training app that helps you build focus, reduce stress, and extend your breath-hold time — whether you're a freediver, meditator, or simply looking for a moment of calm. FREE FEATURES • Box Breathing — the 4-4-4-4 technique used by Navy SEALs and elite performers for instant calm • Guided breath timer with haptic feedback — train without looking at the screen • Apple Health integration — sessions logged as Mindfulness activities • Voice cues announce hold and breathe phases • Clean, distraction-free interface designed for focus ADVANCED TRAINING (One-Time Unlock) • CO₂ Tables — Build carbon dioxide tolerance with progressive intervals • O₂ Tables — Extend your maximum breath-hold time with increasing holds • Multiple difficulty levels from beginner to elite • FRC & RV breath-hold tests to track your baseline • Detailed progress statistics and training history DESIGNED FOR YOUR LIFESTYLE • Works offline — train anywhere, anytime • Family Sharing — one purchase covers everyone • 10 languages supported • Haptic & voice guidance for eyes-free training • Syncs with Apple Health as Mindfulness sessions TRUSTED BY ATHLETES • Used by freedivers, spearfishers, swimmers, surfers, and martial artists • Based on established apnea training science used by professionals • Progressive protocols that adapt to your level Whether you want to dive deeper, meditate longer, sleep better, or simply find a moment of peace — O2 is your daily breathing companion. Start your breath-hold journey today. ## O2 — Breath Hold Trainer Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6c/ed/55/6ced55e3-48ee-6667-41e8-ee5edbe1f73b/Simulator_Screenshot_-_iPad_Air_13-inch__U0028M3_U0029_-_2026-01-08_at_21.59.45.png/2048x2732.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a0/1d/a1/a01da1ef-192d-82d1-ecdf-a5a8bce7d851/Simulator_Screenshot_-_iPad_Air_13-inch__U0028M3_U0029_-_2026-01-08_at_22.00.03.png/2048x2732.png) ## O2 — Breath Hold Trainer Rating Breakdown in Cyprus - 5 stars: 3 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## O2 — Breath Hold Trainer In-App Purchases | Item | Price | |------|-------| | Lifetime Access | €34.99 | ## O2 — Breath Hold Trainer Available In - [Cyprus](https://apptail.io/app/o2-breathing-trainer-lyyy/cyprus) - [France](https://apptail.io/app/o2-breathing-trainer-lyyy/france) - [Switzerland](https://apptail.io/app/o2-breathing-trainer-lyyy/switzerland) - [Chile](https://apptail.io/app/o2-breathing-trainer-lyyy/chile) - [China](https://apptail.io/app/o2-breathing-trainer-lyyy/china) - [Colombia](https://apptail.io/app/o2-breathing-trainer-lyyy/colombia) - [Germany](https://apptail.io/app/o2-breathing-trainer-lyyy/germany) - [Denmark](https://apptail.io/app/o2-breathing-trainer-lyyy/denmark) - [Ecuador](https://apptail.io/app/o2-breathing-trainer-lyyy/ecuador) - [Estonia](https://apptail.io/app/o2-breathing-trainer-lyyy/estonia) - [Egypt](https://apptail.io/app/o2-breathing-trainer-lyyy/egypt) - [Greece](https://apptail.io/app/o2-breathing-trainer-lyyy/greece) - [Indonesia](https://apptail.io/app/o2-breathing-trainer-lyyy/indonesia) - [Italy](https://apptail.io/app/o2-breathing-trainer-lyyy/italy) - [Japan](https://apptail.io/app/o2-breathing-trainer-lyyy/japan) - [South Korea](https://apptail.io/app/o2-breathing-trainer-lyyy/south-korea) - [Luxembourg](https://apptail.io/app/o2-breathing-trainer-lyyy/luxembourg) - [Latvia](https://apptail.io/app/o2-breathing-trainer-lyyy/latvia) - [Madagascar](https://apptail.io/app/o2-breathing-trainer-lyyy/madagascar) - [Malta](https://apptail.io/app/o2-breathing-trainer-lyyy/malta) - [Mexico](https://apptail.io/app/o2-breathing-trainer-lyyy/mexico) - [Nigeria](https://apptail.io/app/o2-breathing-trainer-lyyy/nigeria) - [Netherlands](https://apptail.io/app/o2-breathing-trainer-lyyy/netherlands) - [Nepal](https://apptail.io/app/o2-breathing-trainer-lyyy/nepal) - [Pakistan](https://apptail.io/app/o2-breathing-trainer-lyyy/pakistan) - [Romania](https://apptail.io/app/o2-breathing-trainer-lyyy/romania) - [Russia](https://apptail.io/app/o2-breathing-trainer-lyyy/russia) - [Singapore](https://apptail.io/app/o2-breathing-trainer-lyyy/singapore) - [Thailand](https://apptail.io/app/o2-breathing-trainer-lyyy/thailand) - [Tunisia](https://apptail.io/app/o2-breathing-trainer-lyyy/tunisia) - [Türkiye](https://apptail.io/app/o2-breathing-trainer-lyyy/turkey) - [United States](https://apptail.io/app/o2-breathing-trainer-lyyy/united-states) - [Austria](https://apptail.io/app/o2-breathing-trainer-lyyy/austria) - [Uzbekistan](https://apptail.io/app/o2-breathing-trainer-lyyy/uzbekistan) - [Canada](https://apptail.io/app/o2-breathing-trainer-lyyy/canada) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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