# LadderTouchLite vs System Sounds for Developers

The clearest difference is device support: LadderTouchLite at 3 against System Sounds for Developers's 1. LadderTouchLite also leads on iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | LadderTouchLite | System Sounds for Developers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (226 ratings)](https://appshunter.io/ios/app/laddertouchlite/id405695274/reviews)** | — |
| Number of ratings | **226** | — |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Motonari Hibi](https://appshunter.io/developer/386737172) | [Takashi Goto](https://appshunter.io/developer/6784282457) |

## What reviewers say

### LadderTouchLite

[App page](https://appshunter.io/ios/app/laddertouchlite/id405695274)

Learn the fundamentals of ladder logic, a graphical programming language, through interactive examples and quizzes. This app allows you to explore its mechanisms and test your comprehension with prepared exercises.

**Highlights:** Learn ladder logic basics, Execute prepared sample programs, Test understanding with questions, Control input signals, Utilize virtual outputs and internal memory, Configure timers and counters

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

**In-app purchases:** none


### System Sounds for Developers

[App page](https://appshunter.io/ios/app/system-sounds-for-developers/id6787648226)

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

**In-app purchases:** none


## Frequently asked questions

### Is LadderTouchLite free?

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

### Is System Sounds for Developers free?

System Sounds for Developers is free to download, with no in-app purchases.

### Do LadderTouchLite or System Sounds for Developers have ads?

Neither LadderTouchLite nor System Sounds for Developers shows ads.

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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.*