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 441–460 of 1,000 ranked alternatives.

  1. Zabuton app icon

    Zabuton

    Harmonic Projects LLC

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  2. BreatheWithMe app icon

    BreatheWithMe

    Breathe With Me, LLC

    Breathe with guided exercises

    Guided breathing exercises for stress relief, focus, and energy with customizable duration and tempo. Real-time visual cues synchronize with breath patterns. Track progress and save sessions for later. Share sessions with others via link.

    ★ 5.05 ratingsHealth & FitnessFreeData updated 2026-09-06

How we rank alternatives

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