# 九牧王B2B vs 易材易购买家版

The clearest difference is update cadence: 易材易购买家版 at every 3 weeks against 九牧王B2B's every 53 months. 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.

九牧王B2B ships an update every 53 months, 易材易购买家版 every 3 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 九牧王B2B | 易材易购买家版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 53 months | **Every 3 weeks** |
| Size | 18 MB | 60 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lifecycle.cn](https://appshunter.io/developer/465223252) | [深圳市易材网电子商务有限公司](https://appshunter.io/developer/1658240120) |

## What reviewers say

### 九牧王B2B

[App page](https://appshunter.io/ios/app/b2b/id1318619744)

**Features:** macOS Compatibility

**In-app purchases:** none


### 易材易购买家版

[App page](https://appshunter.io/ios/app/id1658240613)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 九牧王B2B free?

九牧王B2B is free to download, with no in-app purchases.

### Is 易材易购买家版 free?

易材易购买家版 is free to download, with no in-app purchases.

### Do 九牧王B2B or 易材易购买家版 have ads?

Neither 九牧王B2B nor 易材易购买家版 shows ads.

### Which is updated more often, 九牧王B2B or 易材易购买家版?

九牧王B2B ships an update every 53 months, and 易材易购买家版 every 3 weeks. Most recently, 九牧王B2B was updated on October 3, 2026 and 易材易购买家版 on October 6, 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.*