O2CO2 app icon

Apps Like O2CO2 for iPhone and iPad

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

Showing 261–280 of 1,000 ranked alternatives.

  1. Breathing Companion - Kosm app icon

    Breathing Companion - Kosm

    Ishaan Bedi

    Breathe, focus, and relax with guided sessions

    Personalized exercises adapt to user experience and goals. Choose from categories like Relaxation, Focus, Sleep, Energy, Anxiety, and Stress Relief. Includes soothing background sounds and voice guidance.

    ★ 5.020 ratingsHealth & FitnessFreeData updated 2026-09-06
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  2. Breathe - unwind and relax app icon

    Breathe - unwind and relax

    Denis Tokarev

    , control, and

    Track breathing patterns with customizable exercises. Adjust inhale, hold, and exhale durations. Use 4-7-8 technique for relaxation. Save and replay sessions. Share progress with others.

    ★ 4.49 ratingsHealth & FitnessFreeData updated 2026-09-06
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  6. 4-7-8 Breathing: Relax & Sleep app icon

    4-7-8 Breathing: Relax & Sleep

    Nastja Asipkina

    Breathe in , hold 7, exhale 8

    Guided breathing sessions with visual and haptic cues follow the -7-8 technique: inhale for seconds, hold for 7 seconds, exhale for 8 seconds. Sessions can be customized to different durations.

    ★ 0.00 ratingsHealth & Fitness$0.99Data updated 2026-09-06
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How we rank alternatives

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