# RetroCalc vs Dark Digits

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

Both are free to download. RetroCalc sells 1 one-off in-app purchase. Dark Digits asks for nothing beyond the download.

## The numbers

| Metric | RetroCalc | Dark Digits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 6 MB | 4 MB |
| Requires iOS | **17.5** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nimmi Patel](https://appshunter.io/developer/1679157418) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### RetroCalc

[App page](https://appshunter.io/ios/app/retrocalc-calculator/id6739934219)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Pro | $1.99 | one-time |


### Dark Digits

[App page](https://appshunter.io/ios/app/dark-digits/id6744330793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RetroCalc free?

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

### Is Dark Digits free?

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

### Do RetroCalc or Dark Digits have ads?

Neither RetroCalc nor Dark Digits 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.*