comparisons
Drip vs Clue: Open Source On-Device vs GDPR Server App
Drip is Android-only, open source, and fully on-device. Clue is GDPR-compliant and stores data server-side. Here's what that means for privacy.
The privacy spectrum in period tracking Period trackers span a spectrum from fully server dependent (Flo, Glow) to fully on device (Drip). Clue sits closer to the private end of the server based category. Drip is at the fully private end. Understanding where each app sits on this spectrum requires understanding what "privacy" means in this context: not just whether an app sells your data commercially, but whether the data is structurally accessible to third parties at all. Drip: architectural privacy, limited scope Drip is open source and Android only. The code is on GitHub, you can read exactly what it does. Data is stored locally on the device. No account, no sync, no server. From a privacy standpoint, this is as strong as it gets: there is nothing to subpoena because there is nothing on a server. The trade off is scope. Drip covers basic cycle logging. It doesn't have the depth of symptom tracking, mood logging, or health insights that Clue offers. And if you're on iOS, Drip isn't an option. Clue: strongest server based option Clue is the most privacy conscious of the major commercial period trackers. Berlin based, GDPR compliant, no ads, no documented enforcement history. The f