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 181–200 of 1,000 ranked alternatives.

  1. Cold & Breathwork: Coldsmith app icon

    Cold & Breathwork: Coldsmith

    Pawel Karniej

    Track sessions and breathe deeply

    Track exposure sessions with timers for showers and ice baths. Log duration, water temperature, mood, and recovery progress. Practice breathing exercises with guided sessions. Set reminders and monitor habit consistency over time.

    ★ 4.745 ratingsHealth & FitnessFreeData updated 2026-09-06
  2. Aeri: Breathwork & Meditation app icon

    Aeri: Breathwork & Meditation

    Stubbe + Finke PartG

    Breathe deeply, track progress

    Track breath patterns and monitor progress with real-time feedback. Perform guided breathing exercises for stress, focus, and recovery. Set custom breathing goals and receive reminders. Sync data with wearable devices for comprehensive tracking.

    ★ 5.043 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Power Nap with AJ app icon

    Power Nap with AJ

    Universal Relaxation Ltd

    Relax guided breathing sessions

    Relax guided breathing exercises and calming sounds. Set reminders for daily use. Track mood and stress levels over time. Adjust session length and choose from various mindfulness techniques. Sync data across devices for consistent progress.

    ★ 4.329 ratingsHealth & FitnessFreeData updated 2026-09-08
  4. Brain Fit Life: Mental Health app icon

    Brain Fit Life: Mental Health

    Amen Clinics, Inc., A Medical Corporation

    Train your with daily exercises

    Track mood, focus, and energy levels daily. Complete a Type Assessment for personalized plans. Set goals for stress reduction and happiness. Receive coaching tips and progress tracking. Sync with Apple for comprehensive wellness insights.

    ★ 4.8125 ratingsHealth & FitnessFreeData updated 2026-09-06
  5. Vagus Nerve Breathing - FlowMD app icon

    Vagus Nerve Breathing - FlowMD

    Gal Harth

    Breathe through guided exercises

    Guide with real-time biofeedback using a camera. Perform paced , box , and other techniques. Monitor heart rate variability and stimulation. Track progress and improve focus, reduce stress, and support overall well-being.

    ★ 4.634 ratingsHealth & FitnessFreeData updated 2026-09-06
  6. Flowborne - Breathing Journeys app icon

    Flowborne - Breathing Journeys

    Infinity Speaks Limited

    Breathe through guided

    Guided exercises with immersive landscapes. Track patterns and session duration. Set reminders and adjust session length. Learn techniques to reduce stress and improve focus. Sync progress across devices.

    ★ 5.016 ratingsHealth & FitnessFreeData updated 2026-09-06

How we rank alternatives

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