If you have questions, bug reports, or suggestions while using the app, please contact us using the information below.

Support Topics

• How to use the app
• Questions about timetable, timeline, and calendar features
• Import and export issues
• Display or saving problems
• Purchase and App Store related questions
• Feature suggestions

Contact

Email: [email protected]

To help us review your issue faster, please include:

• Device model
• iOS version
• App version
• Screen or feature where the issue occurred
• Screenshot, if available

Notice

99Calendar is a schedule management app that brings together timetable, timeline, and calendar features in one place.

Some counter features are optional tools for personal logging. Health- or cycle-related information is not intended for medical diagnosis, treatment, or guidance.