Track your menstrual cycle and symptoms with this private diary. It offers personalized insights by optionally integrating with Apple Health data like temperature and heart rate. View predictions, trends, and log details directly from your iPhone or Apple Watch.
1.4.2
November 13, 2026
Improved period date editing: confirm before saving, undo after saving, and read records again from Apple Health after clearing a period.
Free
Try free for 30 days
No automatic charge · Nothing to cancel
Hello Cycle uses your logged period dates and optionally integrates with Apple Health data such as sleeping wrist temperature, resting heart rate, and HRV. These calculations are performed on your iPhone, requiring a compatible device, health permissions, and sufficient data for timing and accuracy.
Yes, you can use Hello Cycle on your iPhone to record periods, log symptoms, and view predictions and insights. The Apple Watch companion app offers quick logging and watch-face complications for convenient access.
Hello Cycle collects your logged periods, daily symptoms, flow, pain, mood, and custom states. Privacy-filtered records sync automatically. Raw daily health measurements from Apple Health are not uploaded, and you can export your data or delete your account.
No, Hello Cycle does not contain advertisements. The app is free to download and use for basic tracking, with optional in-app purchases for advanced features.
Hello Cycle offers a free trial for 30 days. After the trial, continued access to predictions and insights requires a one-time Lifetime VIP purchase, with options available for $6.99 or $9.99. There are no subscriptions or automatic renewals.
Hello Cycle is intended for personal records and wellness reference only. Its predictions are estimates and not guarantees. The app does not provide medical diagnoses, confirm ovulation, or support contraception or fertility decisions. Always consult a healthcare professional for health concerns.
The latest version of Hello Cycle is 1.4.2, last updated on November 13, 2026. Updates typically include bug fixes, performance improvements, and new features to enhance the user experience.
Hello Cycle is supported on both iPhone and Apple Watch devices. This allows for seamless data logging and viewing across your Apple ecosystem.
