- Automatic Reminder: The application will send a notification or alarm on the birthday date that has been set, either on the day or several days before, according to user preference.
- Birthday List: Users can enter and save a list of names, birthday dates, and additional information such as age or special notes (for example, gift ideas).
- Calendar Integration: Many apps can sync with the phone's calendar (such as Google Calendar) to display birthdays as events on the calendar.
- Notification Personalization: Users can set the notification type (sound, vibration, or pop-up message) and reminder time (morning, afternoon, or evening).
- Social Features: Some apps allow users to send birthday wishes directly via SMS, WhatsApp or social media from within the app.
- Widget or Shortcut: Apps often provide widgets on the phone's home screen to quickly view upcoming birthdays.
- Data Import: Feature to import birthday dates from cellphone contacts or social media such as Facebook.
- User-Friendly Design: Simple and attractive interface, often with themes or icons related to birthdays (cake, balloons, etc.).
- Additional Features: Some apps offer gift ideas, age counters, or statistics such as your zodiac sign and next birthday.