Only the current version so far — new entries appear as the app ships updates.
CalmiRhythm(カームリズム) is a health & fitness app by app358project with 5+ downloads (about 5 estimated). Released Sep 21, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “This app uses gentle sounds to teach you the rhythm of your breathing. You can also create your own original rhythms, so it will gently support your relaxation time according to your mood and pace of the day.”