Hana - Period Calendar

Hana is a simple, beautiful period calendar designed just for you.

[Key Features]

• View your period, ovulation, and fertile window at a glance on the monthly calendar
• Automatically sync data from Apple Health app
• Personalized ovulation & fertile window prediction (weighted by recent cycles)
• Log your daily condition with notes (up to 300 chars) and color icons
• Visualize cycle trends with statistics and graphs
• Search through your diary entries
• Export & restore data with JSON backup
• Push notifications 3 days and 1 day before your expected period
• Switch between Korean and English

[Your Privacy First] All data is stored only on your iPhone. Nothing is sent to any server or shared externally.

[Apple Health Integration] Hana reads menstrual data from Apple Health to automatically calculate your cycle. Data entered in Hana is not written back to Apple Health.