# 大成上海 vs 公交ERP

The clearest difference is update cadence: 公交ERP at every 2 weeks against 大成上海's every 5 weeks. 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.

大成上海 ships an update every 5 weeks, 公交ERP every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 大成上海 | 公交ERP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 42 MB | 39 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Mailuo Information Technology Co.,Ltd](https://appshunter.io/developer/1645830271) | [Toyou Tech. Co., Ltd.](https://appshunter.io/developer/903865258) |

## What reviewers say

### 大成上海

[App page](https://appshunter.io/ios/app/id6444146331)

**Features:** macOS Compatibility

**In-app purchases:** none


### 公交ERP

[App page](https://appshunter.io/ios/app/erp/id6446076859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 大成上海 free?

大成上海 is free to download, with no in-app purchases.

### Is 公交ERP free?

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

### Do 大成上海 or 公交ERP have ads?

Neither 大成上海 nor 公交ERP shows ads.

### Which is updated more often, 大成上海 or 公交ERP?

大成上海 ships an update every 5 weeks, and 公交ERP every 2 weeks. Most recently, 大成上海 was updated on November 3, 2026 and 公交ERP on November 3, 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.*