# 优时ERP vs eYarn

The clearest difference is in-app purchases: 优时ERP at none against eYarn's 4. eYarn's advantage is update cadence (fortnightly vs every 5 weeks) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. eYarn sells 4 one-off in-app purchases. 优时ERP asks for nothing beyond the download.

优时ERP ships an update every 5 weeks, eYarn fortnightly. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 优时ERP | eYarn |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 76 MB | 136 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [坚 王](https://appshunter.io/developer/806784941) | [兴旺 唐](https://appshunter.io/developer/1471064698) |

## What reviewers say

### 优时ERP

[App page](https://appshunter.io/ios/app/erp/id1141770370)

**Features:** Vision Pro support

**In-app purchases:** none


### eYarn

[App page](https://appshunter.io/ios/app/eyarn/id1471064699)

This B2B platform connects chemical fiber industry participants for trading, logistics, and financial services. It offers direct factory sales for quality products at competitive prices and provides timely industry news and market data.

**Highlights:** B2B trading platform, Logistics integration, Supply chain finance, Industry information, Direct factory sales, Market data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 化纤邦7天会员体验包 | $0.99 | one-time |
| 一个月会员包 | $19.99 | one-time |
| 3个月会员包 | $49.99 | one-time |
| 12个月会员包 | $129.99 | one-time |


## Frequently asked questions

### Is 优时ERP free?

优时ERP is free to download, with no in-app purchases.

### Is eYarn free?

eYarn is free to download, with in-app purchases available.

### Do 优时ERP or eYarn have ads?

Neither 优时ERP nor eYarn shows ads.

### Which is updated more often, 优时ERP or eYarn?

优时ERP ships an update every 5 weeks, and eYarn fortnightly. Most recently, 优时ERP was updated on October 5, 2026 and eYarn on October 13, 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.*