# Probability Practice vs Probability Paradox Lab

The clearest difference is in-app purchases: Probability Practice at none against Probability Paradox Lab's 1. Probability Practice also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Probability Practice | Probability Paradox Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 31 MB | 13 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Manish Kumar](https://appshunter.io/developer/1854995154) | [Non Kudo](https://appshunter.io/developer/1890455917) |

## What reviewers say

### Probability Practice

[App page](https://appshunter.io/ios/app/probability-practice/id6760345315)

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

**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 Probability Practice free?

Probability Practice 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.

### Do Probability Practice or Probability Paradox Lab have ads?

Probability Paradox Lab shows ads; Probability Practice does not.

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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.*