https://nainnielabs.com/blog Honest, practical writing on privacy, habits and building mobile apps. en https://nainnielabs.com/blog/delete-period-data-apple-health-google-health-connect https://nainnielabs.com/blog/delete-period-data-apple-health-google-health-connect Deleting a period app doesn't remove what it wrote to Apple Health or Health Connect. Here's how to find that data, see which app wrote it, and delete it properly. Sat, 22 Aug 2026 00:00:00 GMT https://nainnielabs.com/blog/how-to-delete-your-data-from-a-period-tracking-app https://nainnielabs.com/blog/how-to-delete-your-data-from-a-period-tracking-app Step-by-step instructions for deleting your account and data from the major period tracking apps — plus how to make sure it's actually gone. Sun, 09 Aug 2026 00:00:00 GMT https://nainnielabs.com/blog/do-period-tracking-apps-sell-your-data https://nainnielabs.com/blog/do-period-tracking-apps-sell-your-data A clear look at what period tracking apps actually collect, who they share it with, and how to check any app's privacy before you install it. Sun, 02 Aug 2026 00:00:00 GMT