Apps Like O2CO2 for iPhone and iPad
O2CO2 screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.



Hüff: Breathwork
Eighty Four Degrees Limited
Breathe deeply and meditate guided
Guide users through breathing exercises to reduce stress and enhance focus. Track session duration and breathing patterns. Receive detailed summaries after each session. Adjust breathing techniques based on personal goals and preferences.

Art of Living Official App
Art of Living Foundation
Meditate, breathe, and reflect daily
Access guided meditations, breathing exercises, and yoga sessions for stress relief, focus, and emotional balance. Track progress with daily wisdom and mood-specific content. Sync with Apple Health to monitor well-being metrics.

Breath Ball: Breathing & HRV
Michael Holl
Breathe deeply and follow guided sessions
Guide users through personalized exercises to reduce stress and anxiety. Track progress over time with detailed session logs. Adjust patterns based on individual preferences and goals. Include guided sessions for relaxation and mindfulness.

Zen: Guided Meditation & Sleep
MOVENEXT SERVICOS DE INTERNET LTDA. - ME
Relax with meditations and breathing exercises
Access meditations, stories, and breathing exercises to reduce stress and anxiety. Practice yoga, listen to music, and track progress toward wellness goals.

STAmina Apnea Trainer
Squarecrowd Apps SIA
Train breath control and mental focus underwater
Track static sessions with customizable tables and lung capacity exercises. Monitor breath-hold duration and progress over time. Set reminders and view detailed performance analytics. Sync data across devices for consistent training.

Woah: Relaxing Visuals
Rockwell Ventures Inc
Calm for to focus
Offers to help children manage overwhelm. Features soothing animations, no ads or tracking. Allows parents to customize sessions. Tracks usage time and provides progress reports. Syncs with devices for consistent access.

Pranayama Kapalabhati Prana27
TNX Apps UG (haftungsbeschraenkt)
Breathe deeply and relax
Offers guided breathing exercises including and Sama Vritti. Users can select sessions based on duration. Features include calming music, sleep aids, and meditation guidance for stress reduction. Track progress and set relaxation goals.

Nordic Flow: Breathwork
Nordic Flow, Inc.
Meditate, breathe, and move daily
Practice mindfulness with guided breathing exercises, meditation sessions, and movement routines. Access personalized plans to reduce stress and anxiety. Track progress and integrate cold plunging techniques for holistic wellness.

Deep Breathing Exercises
Thach Nguyen Trong
Breathe deeply and reset your focus
Help reduce stress hormones and improve focus. Users can visualize breath cycles with full-screen animations. Track patterns and set custom session durations. Save progress and review session history for consistency.


Flowtime: Meditation & Relax
Hangzhou Enter Electronic Technology Co., Ltd.
Track stress, build resilience, record progress
Offers scientifically validated lessons for stress reduction and resilience. Users can track progress with goal rings. Free timer mode allows recording data alongside other audio apps. Lessons are guided by experts in mindfulness and mental health.

BreathNow - blood pressure app
Cardio Calm Ltd
Track heart rate and stress levels
Measure heart rate, stress, and cardio fitness using a phone’s camera or Apple Watch. Track and pulse with breathing exercises and meditations. Include a cardio fitness test from the University of Cambridge.

The Breathing App: Calm Daily
Breathing App, LLC
Breathe deeply and your mind
Guide with 5–7 breaths per minute to reduce stress and improve focus. Track progress over time. Set reminders for sessions. Sync with Apple Health to monitor wellness metrics.

Breathly
Matteo Mazzarolo
Breathe guided and track progress
Pause for a minute and try . Choose from guided breathing techniques to focus on deep breathing exercises. Track progress over time and adjust session lengths as needed. No ads or in- purchases.

no.Diet
WEST FEES UAB
Plan meals based on your goals
Create a personalized nutrition plan based on individual goals and body type. Track meals, set dietary preferences, and receive recipe suggestions aligned with Mediterranean cuisine.

Sym Breathing: HRV Coherence
Daniel Lubbers
Breathe in, breathe out, stay calm
Follow a 5.5-second inhale/exhale rhythm to reduce stress and improve heart rate variability. Tap the breathing sphere for guided sessions. Track progress with session history and adjust breathing patterns manually.

Sol: Journal, Habit, Community
Sol Technologies, Inc.
Practice daily rituals and connect with community
Explore personality traits through detailed assessments. Set daily rituals for mindfulness, gratitude, and intention setting. Join a community for support and accountability. Track progress with habit logs and reflection prompts.

Respire: Mindful breathing
Stephane Garzino
Breathe with guided sessions
Guide users through exercises to achieve heart coherence. Follow on-screen shapes to synchronize . Set daily reminders for three sessions. Track progress and receive feedback on patterns.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.