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 561–580 of 1,000 ranked alternatives.

  1. Calm3D app icon

    Calm3D

    Calm3d Pte Ltd

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  1. Move On with AJ app icon

    Move On with AJ

    Universal Relaxation Ltd

    Record and share mood entries

    Offers guided sessions to manage negative thoughts and improve mood. Includes motivational messages to boost motivation and outlook. Allows users to track progress and set goals for mental well-being.

    ★ 4.37 ratingsMedical$2.99Data updated 2026-09-08

How we rank alternatives

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