# 保诚信 vs 助盲犬

The clearest difference is iOS requirement: 助盲犬 at 12.0 against 保诚信's 15.6. On price, ads, 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 | 保诚信 | 助盲犬 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 66 MB | 46 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [武汉保诚信网络科技有限公司](https://appshunter.io/developer/1249979863) | [多兵 周](https://appshunter.io/developer/1571482787) |

## What reviewers say

### 保诚信

[App page](https://appshunter.io/ios/app/id1485380443)

**Features:** macOS Compatibility

**In-app purchases:** none


### 助盲犬

[App page](https://appshunter.io/ios/app/id6502666339)

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

**In-app purchases:** none


## Frequently asked questions

### Is 保诚信 free?

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

### Is 助盲犬 free?

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

### Do 保诚信 or 助盲犬 have ads?

Neither 保诚信 nor 助盲犬 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.*