Birthday Book

添加生日：永远不会失去他们的云同步。只要你想收到提醒。

Never miss any Birthdays with Birthday Book pre-DOB reminder plus calculate age precisely and find out next birthdays, anniversary.

Features:

- Age Calculator

- Export to Contact

- Birthday Reminder

- Export/Import Backup

- Birthday Pre Notifications

- Add Contact Details

- Dropbox Sync