# ShadowRead vs Simple Ruler

The clearest difference is ads: ShadowRead at none against Simple Ruler's shown. On price, in-app purchases, device support 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 | ShadowRead | Simple Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 10 MB | 25 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu ZeroSnow Origin Technology Co., Ltd.](https://appshunter.io/developer/1868561062) | [SATO TOMOMITUS](https://appshunter.io/developer/1615336235) |

## What reviewers say

### ShadowRead

[App page](https://appshunter.io/ios/app/shadowread/id6758651465)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Ruler

[App page](https://appshunter.io/ios/app/simple-ruler-tape-measure/id6794847902)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShadowRead free?

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

### Is Simple Ruler free?

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

### Do ShadowRead or Simple Ruler have ads?

Simple Ruler shows ads; ShadowRead 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.*