# Stochastic Processes vs Probability Paradox Lab

The clearest difference is in-app purchases: Stochastic Processes at none against Probability Paradox Lab's 1. Stochastic Processes also leads on iOS requirement (12.0 vs 16.0). Probability Paradox Lab's advantage is device support. On price there is nothing between them.

Both are free to download. Probability Paradox Lab sells 1 one-off in-app purchase. Stochastic Processes asks for nothing beyond the download.

## The numbers

| Metric | Stochastic Processes | Probability Paradox Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 21 MB | 13 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ilona Kosinska](https://appshunter.io/developer/1538804529) | [Non Kudo](https://appshunter.io/developer/1890455917) |

## What reviewers say

### Stochastic Processes

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

**In-app purchases:** none


### Probability Paradox Lab

[App page](https://appshunter.io/ios/app/probability-paradox-lab/id6782385785)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock Pack | $0.99 | one-time |


## Frequently asked questions

### Is Stochastic Processes free?

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

### Is Probability Paradox Lab free?

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

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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.*