# QuantDojo vs Probability for Computing

The clearest difference is in-app purchases: Probability for Computing at none against QuantDojo's 3. Probability for Computing also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. QuantDojo sells 3 in-app purchases, starting at $12.99 per month. Probability for Computing asks for nothing beyond the download.

## The numbers

| Metric | QuantDojo | Probability for Computing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 3 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elias Lindbergs](https://appshunter.io/developer/1885362319) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### QuantDojo

[App page](https://appshunter.io/ios/app/quantdojo/id6761349180)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Annual | $79.99 | per year |
| Lifetime Access | $199.99 | one-time |


### Probability for Computing

[App page](https://appshunter.io/ios/app/probability-for-computing/id6774024034)

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

**In-app purchases:** none


## Frequently asked questions

### Is QuantDojo free?

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

### Is Probability for Computing free?

Probability for Computing is free to download, with no in-app purchases.

### Do QuantDojo or Probability for Computing have ads?

Neither QuantDojo nor Probability for Computing shows ads.

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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.*