# 中异ERP vs 海迈智慧工地云

The clearest difference is ads: 中异ERP at none against 海迈智慧工地云's shown. 海迈智慧工地云's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

中异ERP ships an update every 4 months, 海迈智慧工地云 every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 中异ERP | 海迈智慧工地云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 31 MB | 58 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [经强 张](https://appshunter.io/developer/1244444743) | [海迈科技](https://appshunter.io/developer/1219728547) |

## What reviewers say

### 中异ERP

[App page](https://appshunter.io/ios/app/erp/id1537970624)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海迈智慧工地云

[App page](https://appshunter.io/ios/app/id1640658957)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中异ERP free?

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

### Is 海迈智慧工地云 free?

海迈智慧工地云 is free to download, with no in-app purchases.

### Do 中异ERP or 海迈智慧工地云 have ads?

海迈智慧工地云 shows ads; 中异ERP does not.

### Which is updated more often, 中异ERP or 海迈智慧工地云?

中异ERP ships an update every 4 months, and 海迈智慧工地云 every 2 months. Most recently, 中异ERP was updated on November 7, 2026 and 海迈智慧工地云 on November 3, 2026.

---

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