Free and keeps my data safe
Also, I like that they don’t get or use any of my data, that’s why I stopped using my last app.

This private period tracker logs your cycle with a single tap and uses your data for smart predictions. It offers symptom and mood tracking, cycle insights, and doctor-ready reports. Your health data stays on your device, ensuring complete privacy.
1.2.0
May 21, 2026
- Add new placeholder prediction UI for when not enough history is provided
Flow State uses a weighted rolling average based on your personal cycle history, rather than generic 28-day assumptions. This allows for more accurate predictions tailored to your unique body.
Yes, Flow State can generate doctor-ready PDF reports. These reports provide a clean summary of your cycle history, flow intensity, symptoms, and mood patterns.
Yes, Flow State supports syncing with both Apple Health and Google Health Connect. This allows you to read and write menstrual data across your health ecosystem.
Flow State is designed with privacy first. Your data never leaves your device, as it is a local-first application with no account, servers, or analytics required.
Flow State offers insights into flow intensity patterns, symptom frequency, mood distribution, and correlations between different logged factors. This helps you understand your cycle better.
Yes, you can export your complete cycle history anytime via CSV. This allows you to keep a backup of your data or use it for further analysis.
No, Flow State is ad-free. The app explicitly states 'no ads' in its privacy features, ensuring an uninterrupted user experience.
Flow State is currently supported on iPhone and iPod devices. It is designed for iOS users looking for a private health tracking solution.