Best Isocapnic Apps

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 249+ isocapnic apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Isocapnic Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Isocapnic Breathe Way BetterIsocapnic Breathe Way BetterFree5.0★ (2)NoYesAug 2026
2Breather CoachBreather CoachFree2.7★ (31)NoNoAug 2026
3Spire: Breath Training & TechSpire: Breath Training & TechFree5.0★ (1)NoNoAug 2026
4Oxygen Advantage®Oxygen Advantage®Free4.3★ (106)NoNoAug 2026
5Nike Training ClubNike Training ClubFree4.8★ (281K)YesNoAug 2026
6AirofitAirofitFree4.5★ (1.3K)NoYesAug 2026
7Dive Hard Freediving TrainerDive Hard Freediving TrainerFree4.9★ (9)YesYesMay 2026
830-15 IFT30-15 IFTFree5.0★ (2)NoNoMay 2026

Top Picks for Isocapnic

Breather Coach#2

Breather Coach by PN Medical

Strong Contender
💪 Health & Fitness
2.7😞(31 ratings)
Free
Breather Coach screenshot 1
Breather Coach screenshot 2
Breather Coach screenshot 3
Breather Coach screenshot 4
Breather Coach screenshot 5
Breather Coach screenshot 6

This app guides users through respiratory muscle training sessions, enhancing breathing and athletic performance. It offers free training plans and guided sessions, tracking progress over time. It is designed to be used with specific respiratory training devices.

What We Love

  • 👍 User-friendly
  • 🚀 Improved features
  • 💡 Gamification
  • 👍 Motivating

Room to Improve

  • 🐛 Buggy
  • 🤔 Removed important features
  • 👎 Boring visuals

More Isocapnic apps to explore

4
Oxygen Advantage®
Oxygen Advantage®
Oxygen Advantage®
Invincible Breathing™
Free

This app offers a personalized daily breathing plan with guided exercises, meditations, and mindfulness coaching to improve physical and mental well-being. It focuses on functional nasal breathing to enhance performance, reduce anxiety, and promote better sleep. Suitable for all ages and fitness levels, it helps build healthy breathing habits.

Customizable daily breathing planGuided meditations and breathworkInstructional videos library
⚽ Sports
(106)
free
5
Nike Training Club
Nike Training Club
Nike Training Club
Training and Workouts
Free

Access expert-led workout programs and coaching for strength, conditioning, yoga, and mindfulness. Train at the gym or at home with guidance for all fitness levels. Track your progress and achieve your fitness goals.

Expert-led workout programmingGym and home workoutsStrength, conditioning, yoga, pilates
💪 Health & Fitness
(281K)
free
6
Airofit
Airofit
Airofit
Stay a breath ahead
Free

This app pairs with a breathing trainer device to help you measure and improve your respiratory strength and lung capacity. It offers customized training programs for various goals like athletic performance, relaxation, and stress reduction, with progress tracking.

Informative lung testsTargeted training programsChallenging exercises with visual/audio guidance
💪 Health & Fitness
(1.3K)
free with in-app purchases
7
Dive Hard Freediving Trainer
Dive Hard Freediving Trainer
Dive Hard Freediving Trainer
Improve breath hold capacity
Free

Enhance your underwater endurance and performance with this training app. It utilizes proven CO2 and O2 tables, along with box breathing techniques, to help you master your breath-hold. Ideal for freedivers, swimmers, and military personnel.

CO2 & O2 TablesBox BreathingAudio Cues
💪 Health & Fitness
(9)
free with in-app purchases
8
30-15 IFT
30-15 IFT
30-15 IFT
by Myorobie Buchheit
Free

This app provides audio cues and setup instructions for the 30-15 IFT, a popular intermittent running test used by athletes worldwide. It helps individualize run-based high-intensity training programs by measuring key performance indicators.

Audio cues for pacingTest setup instructionsMeasures VIFT
💪 Health & Fitness
(2)
free
9
SpiroFit
SpiroFit
SpiroFit
by SENDSOR GmbH
Free

Track key respiratory and heart metrics live during workouts like running or cycling. Analyze professional data for optimal training intensity. Suitable for coaches, professional athletes, and fitness enthusiasts.

Live respiratory rate trackingLive heart rate monitoringTidal volume measurement
⚽ Sports
(1)
free
10
Breathing Buddy
Breathing Buddy
Breathing Buddy
Breathwork for every athlete
Free
💪 Health & Fitness
(0)
11
PNEO Breathe
PNEO Breathe
PNEO Breathe
Guided breathing for everybody
Free
💪 Health & Fitness
(0)
12
AiroQur
AiroQur
AiroQur
by Airofit A/S
Free
💪 Health & Fitness
(0)
13
Freediving Apnea Trainer
Freediving Apnea Trainer
Freediving Apnea Trainer
Improve your apnea and stamina
Free

This app helps improve breath-holding capabilities for freediving, underwater hunting, and yoga. It calculates personalized training tables based on your maximum breath-hold time and offers various exercises to enhance stamina and control. Track your progress with statistics and charts, and utilize customizable timers with voice and vibration notifications.

Personalized training table calculationCustomizable square breath timerProgress tracking with statistics
💪 Health & Fitness
(277)
free with in-app purchases
14
Apnea Trainer Freedive
Apnea Trainer Freedive
Apnea Trainer Freedive
Stamina Breathing Exercises
Free

Enhance your breath-holding capabilities with personalized training plans and proven apnea techniques. Track progress, stay focused with guided sessions, and receive reminders to maintain consistency. Ideal for freedivers and athletes seeking to improve stamina.

Personalized training plansCO2 and O2 tablesProgress tracking and analysis
⚽ Sports
(29)
freemium
15
Aeri: Breathwork & Meditation
Aeri: Breathwork & Meditation
Aeri: Breathwork & Meditation
by Lawrence van Lingen
Free

Enhance your well-being and athletic performance with science-backed breathwork and apnea training. This app offers personalized exercises to reduce stress, improve focus, build endurance, and aid recovery. Train your breathing system for a sharper mind and stronger body.

Personalized breath trainingApnea workoutsStress and anxiety reduction
💪 Health & Fitness
(38)
free
16
Double Breathing
Double Breathing
Double Breathing
Relax and reduce stress
Free
💪 Health & Fitness
(0)
17
Lung Health & Breathing: Pulmo
Lung Health & Breathing: Pulmo
Lung Health & Breathing: Pulmo
Guided Breathwork Exercise App
Free

This app offers guided breathing exercises designed to improve lung health, sleep quality, and mental well-being. It provides personalized programs for various health goals, including managing COPD, asthma relief, anxiety reduction, and enhanced focus. Users can track their progress with easy-to-follow instructions for different breathing techniques.

Personalized breathing exercisesImprove lung health and capacityEnhance sleep quality
💪 Health & Fitness
(1)
ad-supported
18
eRMT
eRMT
eRMT
eRMT
Free

This app enhances respiratory muscle training with interactive games. It connects to a specialized trainer device via Bluetooth, allowing users to control in-game actions through breathing exercises. Designed for entertainment and training efficiency, it's intended for use with specific hardware.

Connects to Sonmol/Nascool Respiratory Muscle TrainerBluetooth connectivityThree interactive training games
🔧 Utilities
(6)
free
19
Freedive: Apnea Breath
Freedive: Apnea Breath
Freedive: Apnea Breath
CO2 O2 Tables for Freedivers
Free
⚽ Sports
(0)
20
Stamina Apnea Trainer: ApneaX
Stamina Apnea Trainer: ApneaX
Stamina Apnea Trainer: ApneaX
Freediving Breath Training
Free
💪 Health & Fitness
(0)

FAQ about Isocapnic

What are the best isocapnic apps for iPhone?
Isocapnic Breathe Way Better tops our isocapnic apps ranking as of August 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 20 of the top isocapnic apps we rank are free to download, including Isocapnic Breathe Way Better and Breather Coach.
Isocapnic Breathe Way Better has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ isocapnic apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Isocapnic Breathe Way Better is a companion app designed to work with the Breathe Way Better respiratory training device. It provides biofeedback, workouts, and training programs to help users improve their breathing capacity and lung function.
Anyone looking to improve their respiratory system can benefit, from individuals who get short of breath easily to elite athletes aiming to optimize performance. The app aims to help users unlock their full respiratory potential.

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