# 工程施工管理 vs EchoType回声派

The clearest difference is in-app purchases: 工程施工管理 at none against EchoType回声派's 4. 工程施工管理 also leads on iOS requirement (12.0 vs 15.0). EchoType回声派's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. EchoType回声派 sells 4 in-app purchases, starting at $4.99 per month. 工程施工管理 asks for nothing beyond the download.

工程施工管理 ships an update monthly, EchoType回声派 every 4 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 工程施工管理 | EchoType回声派 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 75 MB | 102 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SINOPEC The Fourth Constrution Company Limited](https://appshunter.io/developer/1607035127) | [扬 张](https://appshunter.io/developer/1882992263) |

## What reviewers say

### 工程施工管理

[App page](https://appshunter.io/ios/app/id1607035125)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoType回声派

[App page](https://appshunter.io/ios/app/echotype/id6779454488)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 标准版 · 月付 | $4.99 | per month |
| 高阶版 · 月付 | $19.99 | per month |
| 标准版 · 年付 | $49.99 | per year |
| 高阶版 · 年付 | $179.99 | per year |


## Frequently asked questions

### Is 工程施工管理 free?

工程施工管理 is free to download, with no in-app purchases.

### Is EchoType回声派 free?

EchoType回声派 is free to download, with in-app purchases available.

### Do 工程施工管理 or EchoType回声派 have ads?

Neither 工程施工管理 nor EchoType回声派 shows ads.

### Which is updated more often, 工程施工管理 or EchoType回声派?

工程施工管理 ships an update monthly, and EchoType回声派 every 4 days. Most recently, 工程施工管理 was updated on October 9, 2026 and EchoType回声派 on October 14, 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.*