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1 of 1 storefronts
Content in en-US
Content in en-US
Information
Preview 2 platforms
iPhone 3 images
iPad 3 images
What’s New Version 1.2
Added multi-language support.
Description
"Probability Calc" is a tool that calculates chances in lotteries, gacha pulls, and draws using statistical models.
Main features
• Hypergeometric distribution: chance of drawing hits
• Cumulative binomial distribution: chance of k hits in n trials
• Simple input with instant results
Recommended uses
• Estimate gacha pulls needed
• Pack-opening hit simulation
• Campaign win-rate check
• Game design and learning
Privacy
No login needed. All data stays on your device. Ads are minimal.
Accessibility
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Version history 3 versions
Build 880465488v1.22025-12-09 23:40:54
Added multi-language support.
Build 875307390v1.0.12025-06-04 11:23:32
・軽微なバグの修正
Build 874958774v1.02025-05-31 05:20:19
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | Free | 0 | — | 1.2 |
Change log 7 changes · US
✎
releaseNotes updated
Added multi-language support.
✎
description updated
"Probability Calc" is a tool that calculates chances in lotteries, gacha pulls, and draws using statistical models.
Main features
• Hypergeometric distribution:
✎
subtitle updated
ガチャ・くじの当選確率を瞬時に計算
✎
name updated
確率ジェネ
◆
Version 1.2 released
Added multi-language support.
◆
Version 1.0.1 released
・軽微なバグの修正
◆
Version 1.0 released