# Soy UNACH vs Probability Distribution

The clearest difference is in-app purchases: Soy UNACH at none against Probability Distribution's 1. Soy UNACH also leads on iOS requirement (12.0 vs 16.0). Probability Distribution's advantage is review sentiment (33% vs 0%) and update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Probability Distribution sells 1 one-off in-app purchase. Soy UNACH asks for nothing beyond the download.

Soy UNACH ships an update every 3 months, Probability Distribution every 2 weeks. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Soy UNACH | Probability Distribution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (15 ratings)](https://appshunter.io/ios/app/probability-distribution/id6447695305/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 34 MB | 7 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Universidad Autonoma de Chiapas](https://appshunter.io/developer/1501900259) | [Madiyar Aitbayev](https://appshunter.io/developer/1229466587) |

## What reviewers say

### Soy UNACH

[App page](https://appshunter.io/ios/app/soy-unach/id1485586569)

Official mobile application for students and the UNACH community. Access academic information and stay connected with university updates.

**Highlights:** Official university app, Student resources, Community updates, Academic information access

**Features:** macOS Compatibility

**In-app purchases:** none


### Probability Distribution

[App page](https://appshunter.io/ios/app/probability-distribution/id6447695305)

This app allows users to calculate probabilities and visualize various continuous and discrete probability distributions. It supports a wide range of common distributions and plans to add more in the future.

**Highlights:** Calculate probabilities, Visualize distributions, Normal (Gaussian) distribution, Binomial distribution, Poisson distribution, Exponential distribution

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Distributions | $2.99 | one-time |


## Frequently asked questions

### Is Soy UNACH free?

Soy UNACH is free to download, with no in-app purchases.

### Is Probability Distribution free?

Probability Distribution is free to download, with in-app purchases available.

### Do Soy UNACH or Probability Distribution have ads?

Neither Soy UNACH nor Probability Distribution shows ads.

### Which is updated more often, Soy UNACH or Probability Distribution?

Soy UNACH ships an update every 3 months, and Probability Distribution every 2 weeks. Most recently, Soy UNACH was updated on October 3, 2026 and Probability Distribution on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*