# 顿汉布什云服务 vs Smart AEC

The clearest difference is update cadence: Smart AEC at fortnightly against 顿汉布什云服务's every 3 months. 顿汉布什云服务's advantage is iOS requirement (12.0 vs 15.0). 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.

顿汉布什云服务 ships an update every 3 months, Smart AEC fortnightly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 顿汉布什云服务 | Smart AEC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 41 MB | 127 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [顿汉布什(中国)工业有限公司](https://appshunter.io/developer/1318549601) | [徕卡测量系统(上海)有限公司](https://appshunter.io/developer/1158778324) |

## What reviewers say

### 顿汉布什云服务

[App page](https://appshunter.io/ios/app/id1318549602)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart AEC

[App page](https://appshunter.io/ios/app/smart-aec/id1576467655)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 顿汉布什云服务 free?

顿汉布什云服务 is free to download, with no in-app purchases.

### Is Smart AEC free?

Smart AEC is free to download, with no in-app purchases.

### Do 顿汉布什云服务 or Smart AEC have ads?

Neither 顿汉布什云服务 nor Smart AEC shows ads.

### Which is updated more often, 顿汉布什云服务 or Smart AEC?

顿汉布什云服务 ships an update every 3 months, and Smart AEC fortnightly. Most recently, 顿汉布什云服务 was updated on October 7, 2026 and Smart AEC on October 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.*