# HEC Academy vs Stochastic Processes

The clearest difference is in-app purchases: Stochastic Processes at none against HEC Academy's 10. Stochastic Processes also leads on iOS requirement (12.0 vs 15.5). HEC Academy's advantage is device support. On price there is nothing between them.

Both are free to download. HEC Academy sells 10 one-off in-app purchases. Stochastic Processes asks for nothing beyond the download.

## The numbers

| Metric | HEC Academy | Stochastic Processes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 15 months | — |
| Size | 146 MB | 21 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Ilona Kosinska](https://appshunter.io/developer/1538804529) |

## What reviewers say

### HEC Academy

[App page](https://appshunter.io/ios/app/hec-academy/id6667113728)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AQ | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


### Stochastic Processes

[App page](https://appshunter.io/ios/app/stochastic-processes/id6737203969)

**In-app purchases:** none


## Frequently asked questions

### Is HEC Academy free?

HEC Academy is free to download, with in-app purchases available.

### Is Stochastic Processes free?

Stochastic Processes is free to download, with no in-app purchases.

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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.*