Privacy & Period Tracking
Research, guides, and honest information about period tracker privacy — including what the $59.5M Flo settlement means for your data.
How We Built Screenshot Import — Without Ever Seeing Your Screenshot
Most import tools send your screenshot to a server. Ours doesn't. How CycleVault uses Tesseract.js and WebAssembly to read your old calendar entirely on your device — and why that matters.
Read article →Understanding the 4 Phases of Your Cycle
Menstrual, follicular, ovulatory, luteal — what each phase actually does hormonally, how it typically feels, and what to track to learn your own patterns.
Read article →How to Export & Back Up Your CycleVault Data
Your CycleVault data lives only on your device. Here's how to export it, restore it on a new device, and clear it from a browser — without losing anything.
Read article →Is the Flo Period App Safe in 2026? The $59.5M Settlement — and What It Means for Your Data
Flo Health, Google, and Flurry agreed to a combined $59.5 million settlement for sharing users' menstruation and pregnancy data without consent. Here is what actually happened, what your data exposure is today, and what you can switch to.
Read article →7 Private Period Tracker Apps That Never Upload Your Data (2026) — With Verification Guide
After the Flo settlement, millions of women are looking for period trackers that actually keep data private. Here are the seven best options — and a 3-minute test to verify any app's privacy claims yourself, without trusting anyone's word for it.
Read article →How to Export Your Flo Data, Delete Your Account, and Switch to a Private Period Tracker (2026 Guide)
Whether you're switching because of the $59.5 million settlement or simply want better privacy, this guide walks you through exporting your Flo history, deleting your account correctly, and importing your data into a private alternative — in under 10 minutes.
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