# Thermo Dynamics Calc vs ProcessChem

The clearest difference is in-app purchases: ProcessChem at none against Thermo Dynamics Calc's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thermo Dynamics Calc sells 1 one-off in-app purchase. ProcessChem asks for nothing beyond the download.

## The numbers

| Metric | Thermo Dynamics Calc | ProcessChem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 41 MB | 406 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) | [Ron Mangalam Jacob](https://appshunter.io/developer/6796077932) |

## What reviewers say

### Thermo Dynamics Calc

[App page](https://appshunter.io/ios/app/thermo-dynamics-calc/id6766844933)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### ProcessChem

[App page](https://appshunter.io/ios/app/processchem/id6796077930)

**In-app purchases:** none


## Frequently asked questions

### Is Thermo Dynamics Calc free?

Thermo Dynamics Calc is free to download, with in-app purchases available.

### Is ProcessChem free?

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

### Do Thermo Dynamics Calc or ProcessChem have ads?

Neither Thermo Dynamics Calc nor ProcessChem 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.*