# luai5.2.1 vs SmartHear

The clearest difference is in-app purchases: SmartHear at none against luai5.2.1's 7. SmartHear also leads on iOS requirement (12.0 vs 14.0). luai5.2.1's advantage is device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Both are free to download. luai5.2.1 sells 7 one-off in-app purchases. SmartHear asks for nothing beyond the download.

luai5.2.1 ships an update every 3 months, SmartHear every 2 months. The most recent releases landed on September 27, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | luai5.2.1 | SmartHear |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 24 MB | 46 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [上海合微智能科技有限公司](https://appshunter.io/developer/1121192106) |

## 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 |


### SmartHear

[App page](https://appshunter.io/ios/app/smarthear/id1574424611)

**In-app purchases:** none


## Frequently asked questions

### Is luai5.2.1 free?

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

### Is SmartHear free?

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

### Do luai5.2.1 or SmartHear have ads?

Neither luai5.2.1 nor SmartHear shows ads.

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

luai5.2.1 ships an update every 3 months, and SmartHear every 2 months. Most recently, luai5.2.1 was updated on September 27, 2026 and SmartHear on August 1, 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.*