Alternatives
Products that do what Birthday Twin does
Chat live with strangers who share your birthdate
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I bought the birthdays.app domain a few years ago and decided to build a simple birthday app, just text message reminders. I had hacked together a duct-tape version for myself a couple years prior (using zapier + google sheets), and found it useful. It was a pain sifting through Facebook birthdays (90% irrelevant), and I found the text reminders simpler than a calendar. The app has been slowly growing since 2023, and is now up to 739 paying users (mostly on the $9/yr plan, with a few paying $3/yr). Earlier this year, I built a Google Calendar integration to automatically sync…
2025 · birthdays.app
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Find baby names, vote together and reveal your baby’s gender
Feb 2026 · next9months.com
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Find the exact age gap between any two birth dates
Jul 2026 · agedifference-calculator.org
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2021 · birthday.report
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Free multilingual age & date calculators, no sign-up
Jul 2026 · agecalculator.live
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A love letter to human connection - hello world
Jun 2026 · sayhellototheworld.netlify.app
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