# 二商供应链 vs SMM会展签到及管理系统

The clearest difference is update cadence: 二商供应链 at every 2 weeks against SMM会展签到及管理系统's monthly. 二商供应链 also leads on iOS requirement (8.0 vs 11.0). 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.

二商供应链 ships an update every 2 weeks, SMM会展签到及管理系统 monthly. Both last shipped on November 7, 2026.

## The numbers

| Metric | 二商供应链 | SMM会展签到及管理系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 103 MB | 150 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 金](https://appshunter.io/developer/1244027270) | [上海有色网信息科技股份有限公司](https://appshunter.io/developer/409267162) |

## What reviewers say

### 二商供应链

[App page](https://appshunter.io/ios/app/id6443909956)

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

**In-app purchases:** none


### SMM会展签到及管理系统

[App page](https://appshunter.io/ios/app/smm/id6444178138)

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

**In-app purchases:** none


## Frequently asked questions

### Is 二商供应链 free?

二商供应链 is free to download, with no in-app purchases.

### Is SMM会展签到及管理系统 free?

SMM会展签到及管理系统 is free to download, with no in-app purchases.

### Do 二商供应链 or SMM会展签到及管理系统 have ads?

Neither 二商供应链 nor SMM会展签到及管理系统 shows ads.

### Which is updated more often, 二商供应链 or SMM会展签到及管理系统?

二商供应链 ships an update every 2 weeks, and SMM会展签到及管理系统 monthly. Most recently, 二商供应链 was updated on November 7, 2026 and SMM会展签到及管理系统 on November 7, 2026.

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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.*