# 华源供应链 vs 优博讯K31固件升级

The clearest difference is iOS requirement: 华源供应链 at 9.0 against 优博讯K31固件升级's 15.0. 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 | 华源供应链 | 优博讯K31固件升级 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 199 MB | 0 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州蓝桥软件](https://appshunter.io/developer/784426912) | [UROVO TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1674303082) |

## What reviewers say

### 华源供应链

[App page](https://appshunter.io/ios/app/id6479637168)

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

**In-app purchases:** none


### 优博讯K31固件升级

[App page](https://appshunter.io/ios/app/k31/id6745995670)

**In-app purchases:** none


## Frequently asked questions

### Is 华源供应链 free?

华源供应链 is free to download, with no in-app purchases.

### Is 优博讯K31固件升级 free?

优博讯K31固件升级 is free to download, with no in-app purchases.

### Do 华源供应链 or 优博讯K31固件升级 have ads?

Neither 华源供应链 nor 优博讯K31固件升级 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.*