# luai5.2.1$ vs Stackrover

The clearest difference is review sentiment: luai5.2.1$ at 88% against Stackrover's 0%. luai5.2.1$ also leads on chart position (#197 vs unranked). Stackrover's advantage is price (Free vs $2.99) and update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Stackrover 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, Stackrover every 3 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | luai5.2.1$ | Stackrover |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#197** | — |
| Size | 24 MB | 16 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [ONDREJ HRABAL](https://appshunter.io/developer/1699653135) |

## What reviewers say

### luai5.2.1$

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

**Currently charting:** #197 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


### Stackrover

[App page](https://appshunter.io/ios/app/stackrover/id6454232823)

An interactive manual and quiz app designed to help JavaScript developers master concepts, constructs, and API elements. It offers detailed explanations, code samples, and personalized study tools for efficient learning in any environment. The app works offline and requires no sign-up.

**Highlights:** 1700+ JavaScript concepts explained, Detailed descriptions and code samples, Mission, Cheat, and Study boards, Dynamically generated and custom quizzes, Personal notes and memory aids, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is luai5.2.1$ free?

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

### Is Stackrover free?

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

### Do luai5.2.1$ or Stackrover have ads?

Neither luai5.2.1$ nor Stackrover shows ads.

### Which is updated more often, luai5.2.1$ or Stackrover?

luai5.2.1$ ships an update every 3 months, and Stackrover every 3 weeks. Most recently, luai5.2.1$ was updated on October 12, 2026 and Stackrover on October 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.*