Rhythm

When it's useful

• Feeding your own AI

  The daily JSON comes out ready to hand over — no copy-pasting or reformatting required.

• Building a daily log in your notes app

  Writes automatically to a folder of your choice in iCloud Drive or Dropbox.

• Just want to see the numbers

  Beyond exporting, the app itself shows daily summaries and trends.

What it does

Pick one on the left to switch to that screen.

Your data, in your placeSleep, resting heart rate, HRV, steps, activity, weight, and medication, bundled into one JSON file every day and written to your own iCloud or Dropbox.No network, no ads, no purchasesNothing is ever sent to a developer's server. It only goes to the storage you choose.Not just export — readable, too'Log' shows daily summaries, 'Trends' shows how sleep and steps move over time — both right inside the app.

Common friction, and how it's solved

• "Health data is hard to get out of the app it lives in"

  →

  Bundles sleep, heart rate, activity, and weight into one JSON file every day.

• "Handing health data to a cloud app feels risky"

  →

  Nothing is sent to a developer's server. It only goes to the storage you choose.

• "Export-only tools don't let you see what they wrote"

  →

  'Log' and 'Trends' let you read what was exported, right inside the app.

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