# vDiffraction vs GCSE Mole Calculations

The clearest difference is ads: vDiffraction at none against GCSE Mole Calculations's shown. vDiffraction also leads on iOS requirement (8.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | vDiffraction | GCSE Mole Calculations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 17 months |
| Size | 32 MB | 7 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Institut Laue-Langevin](https://appshunter.io/developer/649939789) | [Isomeos Limited](https://appshunter.io/developer/1674436218) |

## What reviewers say

### vDiffraction

[App page](https://appshunter.io/ios/app/vdiffraction/id1343287476)

**Features:** macOS Compatibility

**In-app purchases:** none


### GCSE Mole Calculations

[App page](https://appshunter.io/ios/app/gcse-mole-calculations/id6445877915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is vDiffraction free?

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

### Is GCSE Mole Calculations free?

GCSE Mole Calculations is free to download, with no in-app purchases.

### Do vDiffraction or GCSE Mole Calculations have ads?

GCSE Mole Calculations shows ads; vDiffraction 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.*