FAQ
Frequently asked questions
Short answers to the questions people ask most before downloading the app.
What is Period Tracker and Calendar?
Period Tracker and Calendar is a menstrual cycle tracking app that helps women monitor periods, predict ovulation, track fertility windows, and log symptoms such as cramps, mood changes, bloating, and basal body temperature.
The app is available on iPhone and Android and can be used without creating an account.
Who is Period Tracker and Calendar for?
Anyone who wants to understand their own cycle — whether you're tracking for general health, trying to conceive, newly pregnant, navigating perimenopause, or logging your first few cycles as a teen.
Does the app work for irregular cycles?
Yes. You can log periods and symptoms even when timing is unpredictable — predictions are simply less precise until more cycles are logged, the same as with any cycle-tracking app.
How does the app predict periods and ovulation?
Predictions are calculated from your own logged cycle history rather than a fixed 28-day assumption.
Prediction accuracy typically improves the more cycles you log, since estimates are drawn from your own history rather than a fixed average.
Can I track ovulation?
Yes — the app estimates your ovulation day and fertile window based on your own logged cycle history.
What can I log besides my period?
Symptoms, mood, flow intensity, and — depending on the mode you use — basal body temperature and other fertility signals.
What are the life-stage modes?
Cycle tracking for a regular cycle, a TTC (trying to conceive) mode, a pregnancy mode, a perimenopause mode, and a simpler teen mode for tracking your first few cycles.
Can I use the app while trying to conceive?
Yes — TTC mode surfaces fertile-window and ovulation-day estimates in addition to the standard cycle tracking.
Is there a Pregnancy Mode?
Yes — pregnancy mode lets you track week by week once a cycle turns into a pregnancy; your prior cycle history stays saved for when you return to cycle tracking afterward.
Is there a Perimenopause Mode?
Yes — perimenopause mode is built for longer, less predictable gaps between periods, so predictions adapt as your cycle changes.
Is Period Tracker suitable for teenagers?
Yes — teen mode is a simplified view aimed at someone tracking a period for the first time, without the fertility-focused features aimed at adults trying to conceive.
Is my cycle data private?
The app is designed with privacy in mind, including an optional PIN/biometric lock and discreet reminders. See the Privacy Policy for the full, current details of what is collected and how it is handled.
Do I need to create an account to use the app?
No account is required to start tracking.
Can I lock the app so others can't open it?
Yes — you can protect the app with a PIN, or with Face ID/fingerprint unlock on supported devices.
Is Period Tracker and Calendar free?
The app is free to download, with optional in-app purchases for additional features.
Is the app available on both iPhone and Android?
Yes — it's available on the App Store for iPhone and on Google Play for Android.
What languages does the app support?
The app supports a wide range of languages and follows your device's display language automatically — see the App Store/Google Play listing for the current full list.
Who develops this app?
Period Tracker and Calendar is developed by SimpleInnovation, part of Digitalchemy's family of consumer apps. Support is available at periodcalendar@simpleinnovation.us.
How do I contact support?
Email periodcalendar@simpleinnovation.us and the team will get back to you.