# luai5.2.1 vs English for Devs

The clearest difference is monetization model: luai5.2.1 at free against English for Devs's freemium. luai5.2.1 also leads on device support (4 vs 1) and iOS requirement (14.0 vs 17.0). English for Devs's advantage is update cadence (monthly vs every 3 months) and review sentiment (100% vs 91%). On price, ads and in-app purchases there is nothing between them.

Both are free to download. luai5.2.1 sells 7 one-off in-app purchases and English for Devs sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

luai5.2.1 ships an update every 3 months, English for Devs monthly. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | luai5.2.1 | English for Devs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/luai521-autocompleteruncode/id593464654/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 91.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Joao Victor Flores da Costa](https://appshunter.io/developer/1469303955) |

## What reviewers say

### luai5.2.1

[App page](https://appshunter.io/ios/app/luai521-autocompleteruncode/id593464654)

Learn, run, and share Lua scripts with code completion, syntax highlighting, and a built-in browser. Customize your learning environment and share code easily via various platforms.

**Highlights:** Autocompletion and auto-indent, Code coloring and syntax highlighting, Built-in browser for learning materials, File system support for various formats, Customizable interface and appearance, Code sharing via email and social media, Generate QR codes for scripts and materials

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| To remove ads | $0.99 | one-time |
| Password Service | $0.99 | one-time |
| Horizontal screen development | $0.99 | one-time |
| Simple Vedio | $0.99 | one-time |
| Encryption Compression | $0.99 | one-time |
| Text Search | $0.99 | one-time |
| Autocomplete | $0.99 | one-time |


### English for Devs

[App page](https://appshunter.io/ios/app/english-for-devs-devlingo/id6759974641)

This app provides developers with essential English phrases for remote tech work, covering daily standups, code reviews, and technical discussions. Learn over 3,600 phrases across 12 categories to improve your communication confidence and career prospects.

**Highlights:** Developer-specific phrases, 12 practical categories, 3,600+ phrases, Daily learning (10 phrases), Home screen widget, Streak tracking system, 10 source languages

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yerly Subscription | $7.99 | per year |


## Frequently asked questions

### Is luai5.2.1 free?

luai5.2.1 is free to download, with in-app purchases available.

### Is English for Devs free?

English for Devs is free to download, with in-app purchases available.

### Do luai5.2.1 or English for Devs have ads?

Neither luai5.2.1 nor English for Devs shows ads.

### Which is updated more often, luai5.2.1 or English for Devs?

luai5.2.1 ships an update every 3 months, and English for Devs monthly. Most recently, luai5.2.1 was updated on September 27, 2026 and English for Devs on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*