
Calla: Period Tracker
Cycle tracking for teens
About
This app helps teens understand their menstrual cycles with privacy-focused tracking. It learns individual patterns for accurate predictions and allows logging of various symptoms to connect with cycle phases. Optional parent sharing provides a simple wellness update without revealing sensitive data.
What's New in Calla
1.0
April 2, 2026
FAQ
Does Calla have ads?
No, Calla is completely ad-free. The app is designed with a privacy-first approach and does not contain any advertisements, ensuring an uninterrupted user experience.
How accurate are Calla's predictions?
Calla learns your unique cycle patterns, including irregular ones, to provide personalized predictions. It does not assume a standard 28-day cycle, aiming for predictions that make sense for your individual body.
What kind of data can I track with Calla?
You can log your period, flow level, mood, energy, cramps, sleep, skin, focus, and appetite. This helps you see how your cycle connects to your daily feelings and well-being.
Is my data safe with Calla?
Yes, Calla prioritizes privacy. All your data stays on your phone, with no accounts required, no cloud storage, and no sharing with third parties, data brokers, or advertisers.
What is Parent Mode in Calla?
Parent Mode allows you to share a simple wellness signal, like "all good" or "heads up," with a parent or guardian. This is done without revealing any specific cycle details, giving you control over communication.
Can Calla be used on Android devices?
Currently, Calla is supported on iPhone and iPod devices. Information regarding Android compatibility is not available in the provided data.
How often is Calla updated?
The latest version of Calla was released on April 2, 2026, with the last update on the same date. This indicates a recent release, and future update frequency is not yet established.
Is Calla suitable for all ages?
Calla has an age rating of 12+ and is specifically built for teens. It provides age-appropriate insights and avoids features typically found in adult-oriented fertility apps.





