# Super Ruler vs UnitBox Unit Converter

The clearest difference is ads: UnitBox Unit Converter at none against Super Ruler's shown. Super Ruler's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and in-app purchases 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 | Super Ruler | UnitBox Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 109 months | — |
| Size | 8 MB | 0 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hany Elmehy](https://appshunter.io/developer/959484887) | [Feda Hadziselimovic](https://appshunter.io/developer/1886967691) |

## What reviewers say

### Super Ruler

[App page](https://appshunter.io/ios/app/super-ruler/id1182697242)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitBox Unit Converter

[App page](https://appshunter.io/ios/app/unitbox-unit-converter/id6807025320)

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

**In-app purchases:** none


## Frequently asked questions

### Is Super Ruler free?

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

### Is UnitBox Unit Converter free?

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

### Do Super Ruler or UnitBox Unit Converter have ads?

Super Ruler shows ads; UnitBox Unit Converter 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.*