# luai5.2.1$ vs Dev Tool box

The clearest difference is price: Dev Tool box at Free against luai5.2.1$'s $2.99. Dev Tool box also leads on update cadence (every 3 weeks vs every 3 months). luai5.2.1$'s advantage is ads (none vs shown) and chart position (#193 vs unranked). On in-app purchases and device support there is nothing between them.

Dev Tool box is free to download; luai5.2.1$ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

luai5.2.1$ ships an update every 3 months, Dev Tool box every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | luai5.2.1$ | Dev Tool box |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#193** | — |
| Size | 24 MB | 4 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### luai5.2.1$

[App page](https://appshunter.io/ios/app/luai521/id593466127)

**Currently charting:** #193 Top Paid · Developer Tools (US App Store)

Learn, run, and share Lua 5.2.1 scripts on iOS. Features include autocompletion, code coloring, and a built-in browser for learning materials. Customize the interface and generate QR codes for easy sharing.

**Highlights:** Autocompletion and auto-indent, Code coloring and font size adjustment, Built-in browser for learning materials, File system support for various formats, Customizable interface and execution voice, QR code generation for sharing, Share code via email and social media

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Dev Tool box

[App page](https://appshunter.io/ios/app/dev-tool-box-developer-tools/id6749840624)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is luai5.2.1$ free?

luai5.2.1$ costs $2.99, with no in-app purchases.

### Is Dev Tool box free?

Dev Tool box is free to download, with no in-app purchases.

### Do luai5.2.1$ or Dev Tool box have ads?

Dev Tool box shows ads; luai5.2.1$ does not.

### Which is updated more often, luai5.2.1$ or Dev Tool box?

luai5.2.1$ ships an update every 3 months, and Dev Tool box every 3 weeks. Most recently, luai5.2.1$ was updated on November 1, 2026 and Dev Tool box on November 5, 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.*