Do I need an account?
No — and there isn't one to make. No email, no password, no profile. You open the app and start logging.
Where does my data actually live?
On your iPhone. If you leave iCloud sync on, it is also mirrored into your own private iCloud, which belongs to your Apple Account and not to us. Anything read from Apple Health stays on the device and is never synced anywhere.
What does it cost?
Logging is free and stays free — every log you make is yours to keep. A subscription unlocks the parts built on top of that record: the skin and symptom maps across a full cycle, the pattern check, and the doctor-visit report. Apple shows the exact price before you buy, and you cancel in your device's Settings.
Does it assume a 28-day cycle?
No. Every range is built from the cycles you logged, and each one tells you how many cycles are behind it. If your cycles vary, the ranges widen to say so rather than pretending to a precision the data doesn't have.
Is Cyclink a medical app?
No. Cyclink describes the days you logged and the patterns in them — it never names a condition, and it never tells you what to do. For anything that worries you, a doctor beats any app.
Can I get my data out again?
Yes. Settings has an export that hands you your logs as a file, and deleting the app — plus its iCloud data, via iOS Settings — removes everything. There is no copy anywhere else.
When does the Android app ship?
It's in progress, and iPhone comes first. Put your name on the list and you'll get one email on the day the Android app ships — nothing before, nothing after.
