# Touch Lua + vs arduinoSG90

The clearest difference is in-app purchases: arduinoSG90 at none against Touch Lua +'s 3. arduinoSG90 also leads on update cadence (daily vs every 5 months). Touch Lua +'s advantage is iOS requirement (7.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Touch Lua + sells 3 one-off in-app purchases. arduinoSG90 asks for nothing beyond the download.

Touch Lua + ships an update every 5 months, arduinoSG90 daily. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Touch Lua + | arduinoSG90 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/touch-lua-plus/id692368612/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 3 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Hawwash](https://appshunter.io/developer/382404352) | [YASUYUKI INUKAI](https://appshunter.io/developer/689779927) |

## What reviewers say

### Touch Lua +

[App page](https://appshunter.io/ios/app/touch-lua-plus/id692368612)

Learn and practice programming with Lua, a powerful yet lightweight scripting language. This app offers a robust editor, built-in tutorials, and support for graphics, audio, and databases through optional libraries.

**Highlights:** Lua programming environment, Built-in help and tutorials, Powerful editor with syntax highlighting, Support for graphics and audio libraries, Multi-program functionality, Sample programs included

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Library | $0.99 | one-time |
| Turtle Library | $0.99 | one-time |
| Draw Library | $4.99 | one-time |


### arduinoSG90

[App page](https://appshunter.io/ios/app/arduinosg90/id6482847820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Touch Lua + free?

Touch Lua + is free to download, with in-app purchases available.

### Is arduinoSG90 free?

arduinoSG90 is free to download, with no in-app purchases.

### Do Touch Lua + or arduinoSG90 have ads?

Neither Touch Lua + nor arduinoSG90 shows ads.

### Which is updated more often, Touch Lua + or arduinoSG90?

Touch Lua + ships an update every 5 months, and arduinoSG90 daily. Most recently, Touch Lua + was updated on October 5, 2026 and arduinoSG90 on October 7, 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.*