# Dirac equation vs Root & Rune

The clearest difference is in-app purchases: Dirac equation at none against Root & Rune's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Root & Rune sells 2 in-app purchases, starting at $9.99 per month. Dirac equation asks for nothing beyond the download.

## The numbers

| Metric | Dirac equation | Root & Rune |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 5 MB | 445 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [BloomWave, LLC](https://appshunter.io/developer/1878263483) |

## What reviewers say

### Dirac equation

[App page](https://appshunter.io/ios/app/dirac-equation/id6739155551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Root & Rune

[App page](https://appshunter.io/ios/app/root-and-rune/id6760574296)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Annual Premium | $69.99 | per year |


## Frequently asked questions

### Is Dirac equation free?

Dirac equation is free to download, with no in-app purchases.

### Is Root & Rune free?

Root & Rune is free to download, with in-app purchases available.

### Do Dirac equation or Root & Rune have ads?

Neither Dirac equation nor Root & Rune 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.*