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  2. Billionth Second Birthday
  3. Alternatives
The best alternatives to Billionth Second Birthday are Birthday App, Slack Birthday Bot, and Birthy.
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Best alternatives to Billionth Second Birthday
  • Take your friend’s birthdays and LEAVE FACEBOOK FOREVER. Birthday App finds all your contacts and friends' birthdays and create a calendar. You don't have to lift a finger.
  • Slack bot for celebrating birthdays
  • Hello dear Birthy-users, If you've always wanted to know, which person you're sharing your birthday with and wanted to have chat with, you've come to the right place! Since we are still at the beginning,it might be take time to get the first results.