Last updated: March 2026
Nothing. One Tap Headache Diary does not collect, store, or transmit any personal data to our servers. We have no servers.
Your headache readings are stored locally on your device and optionally synced to your personal iCloud account via Apple's CloudKit. We cannot access your iCloud data.
We do not use any third-party analytics, tracking, or advertising SDKs.
We do not share data with anyone. There is no data to share.
Questions? Email reeve@danielbilsborough.com