# Trillion - Probability Simu... — Probability Calculator with...

> Probability Calculator with... (iPhone/iPad app by kota tada.)

- Source: https://appshunter.io/ios/app/trillion-probability-simu/id6743378063 (this page in markdown: same URL + `.md`)
- Developer: [kota tada](https://appshunter.io/developer/1658942612)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 29 MB
- Languages: Belarusian, Danish, Ukrainian, Urdu, Armenian, Russian, Bulgarian, Sinhala, Croatian, Icelandic and 61 more
- Released: 2025-03-19
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/trillion-probability-simu/id6743378063/reviews.md

## What is Trillion?

Probability Simulator 1T Trials is a powerful simulation app that lets you test probabilities to the extreme. Run up to 1 trillion trials and calculate probabilities as low as 1 in a trillion. Choose from decimal, percentage, or fraction notation. Simultaneously run multiple probability events for complex calculations. Perfect for statistics enthusiasts, mathematicians, and anyone interested in random trials. Sharpen your probability intuition and gain real insights from large-scale simulations.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Ad-free for 1 year | $49.99 | per year |
| Ad-free for 1 month | $4.99 | per month |



## Version history (last 2 releases)

### 5.0.1 — 2026-03-09

Bug fixes.

### 1.0 — 2025-03-19

No release notes.

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All apps by kota tada: https://appshunter.io/developer/1658942612

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*