# Dirac equation vs MoziThermoCalc

The clearest difference is in-app purchases: Dirac equation at none against MoziThermoCalc's 2. Dirac equation also leads on device support. MoziThermoCalc's advantage is iOS requirement (15.1 vs 17). On price there is nothing between them.

Both are free to download. MoziThermoCalc sells 2 in-app purchases, starting at $2.99 per month. Dirac equation asks for nothing beyond the download.

## The numbers

| Metric | Dirac equation | MoziThermoCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Size | 5 MB | 65 MB |
| Requires iOS | 17 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Sina Gilassi](https://appshunter.io/developer/1877205280) |

## What reviewers say

### Dirac equation

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

**Features:** macOS Compatibility

**In-app purchases:** none


### MoziThermoCalc

[App page](https://appshunter.io/ios/app/mozithermocalc/id6759209992)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Dirac equation free?

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

### Is MoziThermoCalc free?

MoziThermoCalc 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.*