# Developer Laboratory vs My Sparrow SMS

The clearest difference is price: My Sparrow SMS at Free against Developer Laboratory's $0.99. My Sparrow SMS also leads on in-app purchases (none vs 8) and update cadence (every 5 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

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

Developer Laboratory ships an update monthly, My Sparrow SMS every 5 days. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Developer Laboratory | My Sparrow SMS |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free | — |
| Size | 9 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [恒盛 程](https://appshunter.io/developer/1533201832) | [Eachut Incorporation](https://appshunter.io/developer/1657352481) |

## 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 |


### My Sparrow SMS

[App page](https://appshunter.io/ios/app/my-sparrow-sms/id1673080794)

**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 My Sparrow SMS free?

My Sparrow SMS is free to download, with no in-app purchases.

### Do Developer Laboratory or My Sparrow SMS have ads?

Neither Developer Laboratory nor My Sparrow SMS shows ads.

### Which is updated more often, Developer Laboratory or My Sparrow SMS?

Developer Laboratory ships an update monthly, and My Sparrow SMS every 5 days. Most recently, Developer Laboratory was updated on October 14, 2026 and My Sparrow SMS on October 4, 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.*