# 安全盾 vs Drafting Utility

The clearest difference is ads: 安全盾 at none against Drafting Utility's shown. 安全盾 also leads on iOS requirement (9.0 vs 16.6). 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 | 安全盾 | Drafting Utility |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Size | 27 MB | 3 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Henan Huixuli Technology Co., Ltd.](https://appshunter.io/developer/1536538470) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### 安全盾

[App page](https://appshunter.io/ios/app/id1536538468)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drafting Utility

[App page](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118)

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

**In-app purchases:** none


## Frequently asked questions

### Is 安全盾 free?

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

### Is Drafting Utility free?

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

### Do 安全盾 or Drafting Utility have ads?

Drafting Utility shows ads; 安全盾 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.*