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 201–220 of 1,000 ranked alternatives.

  1. Mindfulness Breathing app icon

    Mindfulness Breathing

    Lien Khanh

    Breathe deeply and follow guided sessions

    Practice exercises with guided sessions for stress relief and relaxation. Choose from four techniques: one-minute , simple , 4-7-8 , and alternate nostril . Customize session duration and set reminders for regular practice.

    ★ 4.735 ratingsHealth & FitnessFreeData updated 2026-09-14
  2. Sleep Sounds ٞ app icon

    Sleep Sounds ٞ

    MATRIKS GRUP, TOV

    Relax with custom nature

    Listen to nature , white noises, and calming melodies for relaxation, , yoga, meditation, and stress relief. Choose from high-quality recordings. Set timers and adjust volume. Sync with Apple Health.

    ★ 4.875 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Next Step app icon

    Next Step

    Next Step Collective Pty Ltd

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  4. Art of Living Meditation, Yoga app icon

    Art of Living Meditation, Yoga

    Sri Sri Publications Trust

    Meditate, yoga, and learn wisdom

    Access guided meditations and yoga sessions for stress relief and relaxation. Track progress with daily practices. Learn mindfulness techniques and spiritual wisdom. Sync with Apple Health for wellness insights.

    ★ 4.290 ratingsHealth & FitnessFreeData updated 2026-09-12
  5. iCalm app icon

    iCalm

    Greystone Technology Group, Inc.

    Reduce stress and anxiety anytime, anywhere.

    The app teaches a breathing technique to reduce stress and anxiety. It engages the parasympathetic nervous system to ease the mind and body.

    ★ 5.04 ratingsLifestyleFreeData updated 2026-11-02
  6. Rainful - Storm & Rain Sounds app icon

    Rainful - Storm & Rain Sounds

    Levan Koberidze

    Listen to and relax

    Listen to calming with adjustable volume and a sleep timer. Choose from various types and ambient noises. Set volume fade for gradual quieting. Save favorite soundscapes for quick access.

    ★ 4.636 ratingsHealth & FitnessFreeData updated 2026-09-06
  7. Relief: Meditation and Relax app icon

    Relief: Meditation and Relax

    Tsz Tung WONG

    Meditate, breathe, and sleep deeper

    Meditate with guided sessions and mindfulness exercises. Practice breathing techniques to reduce stress. Listen to white noise for relaxation. Access a 14-day personalized plan to improve mental health.

    ★ 4.026 ratingsHealth & FitnessFreeData updated 2026-09-06
  8. Breathwork Pranayama Guide Pro app icon

    Breathwork Pranayama Guide Pro

    Vizmystech LLC

    Breathe deeply, track progress, master pranayama

    Learn and practice pranayama techniques with guided breathing exercises. Track progress with session history and reminders. Adjust breathing patterns to suit individual needs.

    ★ 4.65 ratingsHealth & Fitness$0.99Data updated 2026-10-07

How we rank alternatives

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