# 品茗CCBIM vs E天OA

The clearest difference is iOS requirement: E天OA at 9.0 against 品茗CCBIM's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

品茗CCBIM ships an update monthly, E天OA every 5 weeks. The most recent releases landed on June 24, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 品茗CCBIM | E天OA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ccbim/id1308139969/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 145 MB | 58 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou PinMing Software Corporation](https://appshunter.io/developer/988794026) | [杭州智晗信息技术有限公司](https://appshunter.io/developer/1255811002) |

## What reviewers say

### 品茗CCBIM

[App page](https://appshunter.io/ios/app/ccbim/id1308139969)

This app is a professional tool for viewing BIM models and CAD drawings on mobile, web, and PC. It offers cloud storage for BIM, CAD, and Office files, along with project logging and data dashboards for quality, safety, and progress tracking.

**Highlights:** BIM model viewing (Revit), CAD drawing viewing (DWG), Cloud storage for BIM, CAD, and Office files, Cross-platform synchronization (mobile, web, PC), Project logging and archiving, Project data dashboards (quality, safety, progress)

**Features:** macOS Compatibility

**In-app purchases:** none


### E天OA

[App page](https://appshunter.io/ios/app/eoa/id1361561477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 品茗CCBIM free?

品茗CCBIM is free to download, with no in-app purchases.

### Is E天OA free?

E天OA is free to download, with no in-app purchases.

### Do 品茗CCBIM or E天OA have ads?

Neither 品茗CCBIM nor E天OA shows ads.

### Which is updated more often, 品茗CCBIM or E天OA?

品茗CCBIM ships an update monthly, and E天OA every 5 weeks. Most recently, 品茗CCBIM was updated on June 24, 2026 and E天OA on September 24, 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.*