# app Developer 软件开发助手 vs Cosinuss° Lab App

The clearest difference is update cadence: app Developer 软件开发助手 at monthly against Cosinuss° Lab App's every 4 months. app Developer 软件开发助手 also leads on iOS requirement (12.0 vs 15.6). 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.

app Developer 软件开发助手 ships an update monthly, Cosinuss° Lab App every 4 months. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | app Developer 软件开发助手 | Cosinuss° Lab App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 72 MB | 32 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adina Interactive Technology Co., Ltd.](https://appshunter.io/developer/1465159475) | [Cosinuss](https://appshunter.io/developer/1049819520) |

## What reviewers say

### app Developer 软件开发助手

[App page](https://appshunter.io/ios/app/app-developer/id1659607890)

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

**In-app purchases:** none


### Cosinuss° Lab App

[App page](https://appshunter.io/ios/app/cosinuss-lab-app/id6447358725)

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

**In-app purchases:** none


## Frequently asked questions

### Is app Developer 软件开发助手 free?

app Developer 软件开发助手 is free to download, with no in-app purchases.

### Is Cosinuss° Lab App free?

Cosinuss° Lab App is free to download, with no in-app purchases.

### Do app Developer 软件开发助手 or Cosinuss° Lab App have ads?

Neither app Developer 软件开发助手 nor Cosinuss° Lab App shows ads.

### Which is updated more often, app Developer 软件开发助手 or Cosinuss° Lab App?

app Developer 软件开发助手 ships an update monthly, and Cosinuss° Lab App every 4 months. Most recently, app Developer 软件开发助手 was updated on October 10, 2026 and Cosinuss° Lab App on September 28, 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.*