# Karel1981 vs Arduino Programming Tutorial

The clearest difference is ads: Karel1981 at none against Arduino Programming Tutorial's shown. Karel1981 also leads on review sentiment (67% vs 45%) and monetization model (free vs ad-supported). Arduino Programming Tutorial's advantage is update cadence (every 6 weeks vs every 5 months). On price, in-app purchases and device support there is nothing between them.

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

Karel1981 ships an update every 5 months, Arduino Programming Tutorial every 6 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Karel1981 | Arduino Programming Tutorial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/karel1981/id694629633/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **66.7% of reviews** | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 65 MB | 44 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IHPCI.org, z.s.](https://appshunter.io/developer/1253405466) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Karel1981

[App page](https://appshunter.io/ios/app/karel1981/id694629633)

Learn programming with a beginner-friendly language inspired by a robot. This educational tool introduces fundamental coding concepts through interactive exercises, making it ideal for those new to computer science.

**Highlights:** Beginner-friendly programming language, Introduces fundamental coding concepts, Interactive learning exercises, Based on Karel The Robot book, Ideal for computer science novices

**Features:** macOS Compatibility

**In-app purchases:** none


### Arduino Programming Tutorial

[App page](https://appshunter.io/ios/app/arduino-programming-tutorial/id6446804186)

Learn Arduino programming with over 200 lessons, circuit diagrams, and code examples. Covers electronics, components, and C++ essentials for beginners and advanced users. Available in 14 languages.

**Highlights:** 200+ practical lessons, Circuit diagrams and wiring guides, Ready-to-use code examples, Interactive quiz questions, Covers 14 languages, Detailed component explanations, C++ programming essentials

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

**In-app purchases:** none


## Frequently asked questions

### Is Karel1981 free?

Karel1981 is free to download, with no in-app purchases.

### Is Arduino Programming Tutorial free?

Arduino Programming Tutorial is free to download, with no in-app purchases.

### Do Karel1981 or Arduino Programming Tutorial have ads?

Arduino Programming Tutorial shows ads; Karel1981 does not.

### Which is updated more often, Karel1981 or Arduino Programming Tutorial?

Karel1981 ships an update every 5 months, and Arduino Programming Tutorial every 6 weeks. Most recently, Karel1981 was updated on October 2, 2026 and Arduino Programming Tutorial on October 12, 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.*