Comparison

Freediving Apnea Exercise vs OxyBoost

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Freediving Apnea Exercise

Enhance your breath-hold capacity and underwater performance with specialized CO2 and O2 training tables. This app also offers box breathing exercises for stress management and improved focus. Perfect for freedivers, snorkelers, and surfers looking to extend their time in the water.

Highlights
  • CO2 and O2 training tables
  • Progress tracking
  • User-friendly interface
  • Daily reminders
  • Box breathing exercises
  • Stress management
Features
Read full description

Elevate Your Underwater Adventures and Improve your health with Box Breathing Exercises. Take your freediving, snorkeling, scuba diving, spearfishing, or surfing to new depths with the Freediving Apnea Trainer app. Enhance your lung capacity, stamina, and breath-hold time with our specialized CO2 and O2 training tables designed for enthusiasts like you. Enhance Your Underwater Experience Freediving: Improve your breath-hold and dive deeper with confidence. Snorkeling: Extend your underwater exploration time. Scuba Diving: Enhance your lung capacity for safer dives. Spearfishing: Increase your underwater endurance for better catches. Surfing: Ride waves longer with improved breath control. Key Features Personalized Training Tables: CO2 and O2 tables tailored to your needs. Progress Tracking: Monitor your improvement over time. User-Friendly Interface: Easy to navigate and use. Daily Reminders: Stay consistent with your training. Achieve New Depths Take your freediving adventures to new depths with the Freediving Apnea Trainer. This is your ultimate companion for mastering static apnea through CO2 and O2 training tables, designed to enhance your lung capacity, stamina, and breath-hold time. Whether you're plunging into the depths of freediving, surfing, or exploring the underwater world while diving or snorkeling, this app empowers you to extend your stamina in the water. Take a moment to relax after your hard day with box breathing. Box Breathing is a powerful technique that helps you manage stress, enhance focus, and promote relaxation by guiding you through a simple, rhythmic breathing pattern. Whether you're seeking to calm your mind, sharpen your concentration, or simply find a moment of peace, our app makes it easy to incorporate this effective practice into your daily routine. Download now and start improving your mental well-being and lung capacity, one breath at a time. Privacy Policy: https://chernyshenkotaras.github.io/freedive-web/privacy-policy.html Terms of Use: https://chernyshenkotaras.github.io/freedive-web/terms.html

About

OxyBoost

Features
Read full description

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

Screenshots

Freediving Apnea Exercise4 screens
OxyBoost4 screens

Verdict

The call

The clearest difference is update cadence: OxyBoost at every 2 days against Freediving Apnea Exercise's every 3 weeks. Freediving Apnea Exercise's advantage is iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Freediving Apnea Exercise sells 2 in-app purchases, starting at $5.99 per month and OxyBoost sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Freediving Apnea Exercise ships an update every 3 weeks, OxyBoost every 2 days. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 7 level
Freediving Apnea Exercise versus OxyBoost: the parameters behind the verdict, then further details
ParameterFreediving Apnea ExerciseOxyBoost
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better26.2
Further details — not scored
Size28 MB23 MB
Age rating4+4+
DeveloperTaras ChernyshenkoArtem Verbat

In-app purchases

2 purchases

Freediving Apnea Exercise

Subscriptions2
  • Monthly Access$5.991 Month
  • Yearly Membership3 Days trial$29.991 Year
3 purchases

OxyBoost

Subscriptions3
  • Pro (Monthly)$1.991 Month
  • Pro (Yearly)$11.991 Year
  • Pro (Yearly)$19.991 Year

Questions

Is Freediving Apnea Exercise free?
Freediving Apnea Exercise is free to download, with in-app purchases available.
Is OxyBoost free?
OxyBoost is free to download, with in-app purchases available.
Do Freediving Apnea Exercise or OxyBoost have ads?
Neither Freediving Apnea Exercise nor OxyBoost shows ads.
Which is updated more often, Freediving Apnea Exercise or OxyBoost?
Freediving Apnea Exercise ships an update every 3 weeks, and OxyBoost every 2 days. Most recently, Freediving Apnea Exercise was updated on September 8, 2026 and OxyBoost on September 15, 2026.

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