From Demodit GmbH:
Birthday list, contact list and birthday notifications, also for XING, VK (VKontakte) and Odnoklassniki. BirthdaysPro is the best way to be informed about the upcoming birthdays (and anniversaries) of all your contacts. Features: Birthday list sorted by date. Contact list sorted by name. Also anniversaries and other dates supported. Get up to 2 reminder messages for each event. Switch off reminder for certain contacts. Reminder repeat (see help). Badge on icon with number of current events. Display/import birthdays from XING, VK or Odnoklassniki. Post message to friends wall (VK). Synchronization with calendar (no import of foreign data). Add or edit birthdays directly to address book or BirthdaysPro. See age, photo and address book data of your contacts. Calendar view for a birthday. Passcode protection. Notes. Zodiac signs (western and chinese). Data transfer to other device (Bluetooth). Filter data source and event. Filter address book groups. Different screens on iPhone and iPad. Different background patterns (iPad landscape mode). Help (see "More/Help" within the app). Retina (iPhone & iPad). And more. Pay once - install on multiple devices associated with the iTunes account. Since 1st of May 2015 Facebook interface returns only friends who are also using the app. We're sorry, but Facebook is responsible for this.