# DSP vs Developer Laboratory

The clearest difference is price: DSP at Free against Developer Laboratory's $0.99. DSP also leads on in-app purchases (none vs 8) and iOS requirement (9.0 vs 12.0). On ads and device support there is nothing between them.

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

## The numbers

| Metric | DSP | Developer Laboratory |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Free |
| Size | 5 MB | 9 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [启辉 张](https://appshunter.io/developer/1505276801) | [恒盛 程](https://appshunter.io/developer/1533201832) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-46p/id1515199026)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DSP free?

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

### Is Developer Laboratory free?

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

### Do DSP or Developer Laboratory have ads?

Neither DSP nor Developer Laboratory shows ads.

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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.*