# Prime Unit Converter vs Dark Light

The clearest difference is device support: Dark Light at 4 against Prime Unit Converter's 2. On price, ads, in-app purchases and iOS requirement 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 | Prime Unit Converter | Dark Light |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 3 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Parmar](https://appshunter.io/developer/1596410760) | [涛 陈](https://appshunter.io/developer/1886152591) |

## What reviewers say

### Prime Unit Converter

[App page](https://appshunter.io/ios/app/prime-unit-converter/id6742789692)

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

**In-app purchases:** none


### Dark Light

[App page](https://appshunter.io/ios/app/dark-light-web-theme-switch/id6781749180)

**Features:** Safari Extension, Family Sharing, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prime Unit Converter free?

Prime Unit Converter is free to download, with no in-app purchases.

### Is Dark Light free?

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

### Do Prime Unit Converter or Dark Light have ads?

Neither Prime Unit Converter nor Dark Light 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.*