Birthday Paradox is made and published by Yves Cuillerdier. AppBrain is an independent app data site and isn't affiliated with Yves Cuillerdier. The app name, icon, screenshots and description belong to Yves Cuillerdier and are shown as published on Google Play.

About Birthday Paradox

Birthday Paradox is an education app developed by Yves Cuillerdier.

Install Statistics

Birthday Paradox has been installed 290 times. In the last 30 days, the app was installed 1 times.

User Ratings

The app has no ratings yet.

App Information

Birthday Paradox is freely available from Google Play. The app size is 1.86 MB. The latest version available is 1.5.0-G. The last update was on July 17, 2026.

Technical Requirements

Birthday Paradox requires Android 8.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since September 2020.

Description by Yves Cuillerdier (from Google Play)

In a classroom, what is the probability that 2 students will celebrate their birthdays on the same day? With 365 days a year, around thirty students in the class, we say to ourselves that it must be weak …

Think again!

It only takes 23 people for there to be more than a 50% chance that 2 people will have their birthday on the same day. From 41 people, the probability is more than 90%!

This is what this simple application will allow you to experiment.

Try with dates of birth, car numbers etc …

Recent changes:
Android 17

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App Performance Report

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Screenshots

Screenshots by Yves Cuillerdier, from the Google Play listing

Official page on Google Play

Alternatives to Birthday Paradox

Installs over time

Birthday Paradox has been installed 290 times. Over the past 30 days, it has been installed 1 times.

Changelog of Birthday Paradox

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Developer information for Yves Cuillerdier

Yves Cuillerdier

contact@panaustik.com

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Comments on Birthday Paradox for Android

★★★★☆ Zhone Zhone · Sep 14, 2021

Great to experience birthday problem and its variants

Google Play Rankings for Birthday Paradox

This app is not ranked

Technologies used by Birthday Paradox

4 permissions · 12 libraries

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Frequently asked questions about Birthday Paradox

Is Birthday Paradox free?

Yes. Birthday Paradox is free on Google Play.

Is Birthday Paradox still available?

Yes. Birthday Paradox is on Google Play, and the last update we saw was on July 17, 2026.

Does Birthday Paradox contain ads?

No. Google Play does not list Birthday Paradox as containing ads.

What Android version does Birthday Paradox require?

Birthday Paradox runs on Android 8.0 and higher.

How large is Birthday Paradox?

Birthday Paradox is 1.86 MB.

Is Birthday Paradox suitable for children?

Google Play rates the content of Birthday Paradox as suitable for everyone.

How many times has Birthday Paradox been installed?

Google Play lists 100+ installs for Birthday Paradox.

Who made Birthday Paradox?

Birthday Paradox was developed by Yves Cuillerdier. It is listed in the education category on Google Play.

What are the best alternatives to Birthday Paradox?

People looking at Birthday Paradox also look at these education apps: Birthday Cards & Messages Wish, Birthday Secrets, Birthday Reminder & Countdown, Birthday video maker music, Birthday Calendar Reminder.

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Birthday Paradox