# Probability Calc

> Calculate lottery, gacha, and draw odds using hypergeometric and binomial tools.

Canonical page: [https://chrome-stats.com/d/com.mk\_project.pro\_cal](https://chrome-stats.com/d/com.mk_project.pro_cal)

## Overview

- **ID:** `com.mk_project.pro_cal`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Miryu Kamiya
- **Category:** TOOLS
- **Downloads:** 84
- **Version:** 1.2.0
- **Last updated:** 2025-12-22
- **First published:** 2025-12-22
- **Publisher country:** JP
- **Size:** 43 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.mk_project.pro_cal)
- **Website:** [https://pro-cal.miryu-kamiya.com](https://pro-cal.miryu-kamiya.com/)
- **Privacy policy:** [https://pro-cal.miryu-kamiya.com/#privacy-policy](https://pro-cal.miryu-kamiya.com/#privacy-policy)

## Description

&quot;Probability Calc&quot; calculates chances for lotteries, gacha pulls, and draw events using statistical models.<br>Main features<br>• Hypergeometric distribution: probability of drawing hits<br>• Cumulative binomial distribution: chance of k successes in n trials<br>• Simple input with instant results<br>Recommended uses<br>• Estimate gacha pulls needed<br>• Pack-opening hit simulation<br>• Check campaign win rates<br>• Game design and learning<br>Privacy<br>No login required. All data stays on your device. Ads are minimal.

## Rankings

- #2,046,102 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.mk_project.pro_cal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [Gacha Calc: Probability Sim](https://chrome-stats.com/d/com.mycompany.gacharatecalculator) — 80 users
- [Probability calculator](https://chrome-stats.com/d/gatya.com.example.gatya) — 5,130 users
- [Probability Calculator](https://chrome-stats.com/d/com.ikura.ProbabilityCalculator) — 261 users
- [Lottery Probability Calculator](https://chrome-stats.com/d/com.kouji1981.probability) — 12,301 users
- [ガチャ確率計算機](https://chrome-stats.com/d/com.mittsu3.calc_probability) — 178 users
- [Calculation Hit Probability](https://chrome-stats.com/d/ksnd.calculationhitprobability) — 40 users
- [Luck Test! - Gacha Simulator](https://chrome-stats.com/d/com.wonbo.gatchatest) — 563 users
- [GachaCompCalc](https://chrome-stats.com/d/com.naoya.gachacalc) — 31 users
- [Repeat Probability Calculator](https://chrome-stats.com/d/jp.nekomimimi.gachaprobability) — 7,345 users
- [Draw Logic](https://chrome-stats.com/d/com.misbar.draw_logic_strategy) — 6 users
- [Lucky Calculator](https://chrome-stats.com/d/com.snowsmile.luckycal) — 100 users
- [LotteryRISK](https://chrome-stats.com/d/org.glerus.lotteryrisk) — 1 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.mk_project.pro_cal)