# 一装ERP vs 画门窗Pro

The clearest difference is update cadence: 一装ERP at every 3 months against 画门窗Pro's every 9 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.

一装ERP ships an update every 3 months, 画门窗Pro every 9 months. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 一装ERP | 画门窗Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 87 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu YiZhuang Technology Co., Ltd.](https://appshunter.io/developer/1459219595) | [强 文](https://appshunter.io/developer/674834521) |

## What reviewers say

### 一装ERP

[App page](https://appshunter.io/ios/app/erp/id1459219596)

**Features:** macOS Compatibility

**In-app purchases:** none


### 画门窗Pro

[App page](https://appshunter.io/ios/app/pro/id6446976815)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 一装ERP free?

一装ERP is free to download, with no in-app purchases.

### Is 画门窗Pro free?

画门窗Pro is free to download, with no in-app purchases.

### Do 一装ERP or 画门窗Pro have ads?

Neither 一装ERP nor 画门窗Pro shows ads.

### Which is updated more often, 一装ERP or 画门窗Pro?

一装ERP ships an update every 3 months, and 画门窗Pro every 9 months. Most recently, 一装ERP was updated on September 18, 2026 and 画门窗Pro on September 15, 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.*