O2CO2 app icon

Apps Like O2CO2 for iPhone and iPad

by Les Entrecodeurs★ 5.02 ratingsHealth & FitnessFreeData updated 2026-09-06

O2CO2 screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. M.T.O. Tamarkoz Meditation app icon

    M.T.O. Tamarkoz Meditation

    M.T.O. Tamarkoz Association

    Meditate, focus, and relax anytime

    Practice guided and relaxation techniques to reduce stress and improve focus. Track progress with daily sessions and breathing exercises. Access mindfulness activities for better sleep and emotional balance.

    ★ 5.0148 ratingsHealth & FitnessFreeData updated 2026-09-21
  1. ZenBreath: Breathing Exercises app icon

    ZenBreath: Breathing Exercises

    Maxime Tant

    Breathe deeply and adjust duration

    Guides users through breathing exercises to reduce stress and anxiety. It offers cardiac coherence sessions with adjustable duration and cycle counts. Users can start, pause, and stop sessions. The provides visual cues for inhalation and exhalation.

    ★ 4.6110 ratingsHealth & FitnessFreeData updated 2026-09-19
  2. NTX Apnea app icon

    NTX Apnea

    Mariusz Kociubinski

    Train breathhold, track progress, refine technique

    Track breathhold progress with customized exercises for dive reflex, CO2 tolerance, and stress management. Monitor heart rate and depth during sessions. Access expert audio and video guidance for each exercise.

    ★ 4.962 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. BreathMark Breathing exercises app icon

    BreathMark Breathing exercises

    Raul Hernandez

    Breathe deeply with guided

    Relax with guided using voice prompts. Listen to high-quality human recordings for stress relief. Promote better sleep and mental clarity through mindful techniques.

    ★ 4.731 ratingsHealth & FitnessFreeData updated 2026-09-21
  4. Goddess: Women's Wellness app icon

    Goddess: Women's Wellness

    GDS EGITIM DANISMANLIK VE TEKNOLOJI ANONIM SIRKETI

    Track your progress with meditation

    Track menstrual cycles and fertility signs with detailed journaling tools. Set reminders for self-care routines and meditation sessions. Access guided yoga and breathwork exercises. Join a community for support and inspiration.

    ★ 4.8901 ratingsHealth & FitnessFreeData updated 2026-09-30
  5. MindEase: Calm & Focus app icon

    MindEase: Calm & Focus

    Ayoub El Omrani

    Relax with guided meditations and breathing exercises

    Offers guided meditations for stress relief and mindfulness. Users can access sleep sounds and white noise for deep sleep. music is available to boost productivity. Nature sounds create a peaceful environment. Breathing exercises help the mind.

    ★ 4.4135 ratingsHealth & FitnessFreeData updated 2026-09-14
  6. iSleep Easy Meditations Light app icon

    iSleep Easy Meditations Light

    Meditation Oasis

    Listen to guided sleep

    Offers guided for sleep: Sleep Affirmations, Belly Breathing, and Relax into Sleep. Includes options to listen with or without music and nature sounds. Allows users to pause or stop sessions at any time.

    ★ 4.5480 ratingsHealth & FitnessFreeData updated 2026-09-09
  7. Breathe2Relax app icon

    Breathe2Relax

    Defense Health Agency

    Breathe deeply and practice diaphragmatic breathing

    Learn diaphragmatic breathing techniques to reduce stress and manage anxiety. Track breathing patterns, set reminders, and access guided exercises. View educational content on stress effects and mood stabilization benefits.

    ★ 4.2316 ratingsHealth & FitnessFreeData updated 2026-09-08
  8. Guided Meditation++ app icon

    Guided Meditation++

    Meditation Moments B.V.

    Meditate, breathe, and sleep deeply

    Find inner peace and improve sleep with meditations, calming music, and breathing exercises. Track progress with mindfulness tools. Access sleep stories, white noise, and focus music for better relaxation and productivity.

    ★ 4.9113 ratingsHealth & Fitness$4.99Data updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.