# 煤炭江湖 vs 优时ERP

The clearest difference is in-app purchases: 优时ERP at none against 煤炭江湖's 3. 煤炭江湖's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 煤炭江湖 sells 3 one-off in-app purchases. 优时ERP asks for nothing beyond the download.

煤炭江湖 ships an update every 2 months, 优时ERP every 5 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | 煤炭江湖 | 优时ERP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 63 MB | 73 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [大连精灵网络科技有限公司](https://appshunter.io/developer/1064985132) | [坚 王](https://appshunter.io/developer/806784941) |

## What reviewers say

### 煤炭江湖

[App page](https://appshunter.io/ios/app/id1064985133)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数据中心会员1个月 | $14.99 | one-time |
| 数据中心会员1年 | $99.99 | one-time |
| 数据中心VIP 1年 | $999.99 | one-time |


### 优时ERP

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

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 煤炭江湖 free?

煤炭江湖 is free to download, with in-app purchases available.

### Is 优时ERP free?

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

### Do 煤炭江湖 or 优时ERP have ads?

Neither 煤炭江湖 nor 优时ERP shows ads.

### Which is updated more often, 煤炭江湖 or 优时ERP?

煤炭江湖 ships an update every 2 months, and 优时ERP every 5 weeks. Most recently, 煤炭江湖 was updated on November 2, 2026 and 优时ERP on November 2, 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.*