# Developer Laboratory vs 奕天壹质检

The clearest difference is price: 奕天壹质检 at Free against Developer Laboratory's $0.99. 奕天壹质检 also leads on in-app purchases (none vs 8). Developer Laboratory's advantage is iOS requirement (12.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

奕天壹质检 is free to download; Developer Laboratory costs $0.99 up front. Developer Laboratory sells 8 one-off in-app purchases. 奕天壹质检 asks for nothing beyond the download.

Developer Laboratory ships an update monthly, 奕天壹质检 every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Developer Laboratory | 奕天壹质检 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/developer-laboratory/id1568656582/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 59 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [恒盛 程](https://appshunter.io/developer/1533201832) | [Shandong Yixian Food Co.,Ltd.](https://appshunter.io/developer/1661474011) |

## What reviewers say

### Developer Laboratory

[App page](https://appshunter.io/ios/app/developer-laboratory/id1568656582)

This app provides a collection of example code and UI components for iOS developers. It demonstrates various functionalities like app icon creation, image viewing, web page loading, and custom controls. Access the source code to learn implementation details.

**Highlights:** APP icon creation, Imitation of WeChat Moments, Web page loading, Custom UI components, QR code scanning, Facial tracking, Database operations

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0 ice cola | $0.99 | one-time |
| 1 ice cola | $0.99 | one-time |
| A sip of iced cola | $0.99 | one-time |
| 一元商品 | $0.99 | one-time |
| 2 ice cola | $1.99 | one-time |
| 3 ice cola | $2.99 | one-time |
| 4.16 ice cola | $3.99 | one-time |
| 16.5 ice cola | $14.99 | one-time |


### 奕天壹质检

[App page](https://appshunter.io/ios/app/id6463608202)

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

**In-app purchases:** none


## Frequently asked questions

### Is Developer Laboratory free?

Developer Laboratory costs $0.99, and also offers in-app purchases.

### Is 奕天壹质检 free?

奕天壹质检 is free to download, with no in-app purchases.

### Do Developer Laboratory or 奕天壹质检 have ads?

Neither Developer Laboratory nor 奕天壹质检 shows ads.

### Which is updated more often, Developer Laboratory or 奕天壹质检?

Developer Laboratory ships an update monthly, and 奕天壹质检 every 3 weeks. Most recently, Developer Laboratory was updated on November 3, 2026 and 奕天壹质检 on November 3, 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.*