# SMM会展签到及管理系统 vs 中立达

The clearest difference is iOS requirement: SMM会展签到及管理系统 at 11.0 against 中立达's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SMM会展签到及管理系统 ships an update monthly, 中立达 every 5 weeks. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SMM会展签到及管理系统 | 中立达 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 150 MB | 26 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海有色网信息科技股份有限公司](https://appshunter.io/developer/409267162) | [杭州一席网络科技有限公司](https://appshunter.io/developer/1210124626) |

## What reviewers say

### 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


### 中立达

[App page](https://appshunter.io/ios/app/id6743383276)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 中立达 free?

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

### Do SMM会展签到及管理系统 or 中立达 have ads?

Neither SMM会展签到及管理系统 nor 中立达 shows ads.

### Which is updated more often, SMM会展签到及管理系统 or 中立达?

SMM会展签到及管理系统 ships an update monthly, and 中立达 every 5 weeks. Most recently, SMM会展签到及管理系统 was updated on October 19, 2026 and 中立达 on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*