Last updated: June 26, 2026
HeadLog is a fully offline migraine and headache tracker for iOS. This policy explains how your data is handled.
None. HeadLog does not collect, transmit, sell, or share any personal data. The app contains no advertising SDKs, analytics SDKs, tracking SDKs, accounts, or third-party sign-in.
HeadLog stores attack records locally on your device using Apple's Core Data framework. This includes attack timestamps, intensity, side, triggers, symptoms, medication, and notes you choose to enter. This data is stored only on your device and is never transmitted anywhere.
HeadLog does not make any network requests. It functions entirely offline.
Migraine and headache records you enter are stored solely on your device and are not shared with Apple Health, any third party, or our servers.
HeadLog is not directed to children under 13. Because it does not collect personal data from any user, it does not knowingly collect personal data from children.
We may update this Privacy Policy from time to time. When we do, we will revise the "Last updated" date above.
Questions: datuz2010@gmail.com