Probability Generator

Features of Probability Generator

Instantly displays the probability of winning in gacha and lotteries! Accurate simulation using hypergeometric and cumulative binomial distributions.

Version: 1.0.0

Release Date: May 30, 2025

Platforms: iOS, Android

Introducing the main features provided by Probability Generator.

Select the probability you want to calculate

Used for mobile games where you attempt multiple times with the same probability.

Used for lotteries where the remaining number decreases with each draw

View actual screens of Probability Generator.

Wide support from mobile game gacha to lottery probability calculations

Mobile game gacha probability calculation using binomial distribution

Lottery probability calculation using hypergeometric distribution

Calculate probabilities for mobile game gacha and real-world lotteries to reduce your chances of losing!

Our privacy policy for Probability Generator.

Last Updated: May 22, 2025

Probability Generator (hereinafter "this app") respects user privacy and handles information according to the following policy.

This app does not require or collect personal information (name, email address, phone number, etc.).
However, the following information may be collected indirectly:
Device identification information and advertising ID (anonymous) related to ad display by Google AdMob
Simple logs about app usage (number of feature uses, etc.) for crash analysis and improvement purposes

Collected information is used for the following purposes:

This app uses the following third-party services:

Google AdMob (ad delivery)
Google (app analytics logs)
These service providers handle user information according to their respective privacy policies.
Google Privacy Policy: https://policies.google.com/privacy

A popup requesting tracking permission may appear. Users can freely choose to "Allow" or "Deny".

Users can reset advertising ID, limit tracking, and delete data from device settings.

This privacy policy may be changed as necessary. Changes will be notified within the app or on related pages.