Karel1981 vs Arduino Programming Tutorial
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Karel1981
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.
- Beginner-friendly programming language
- Introduces fundamental coding concepts
- Interactive learning exercises
- Based on Karel The Robot book
- Ideal for computer science novices
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Karel is an educational programming language for beginners, created by Richard E.Pattis in his book Karel The Robot: A Gentle Introduction to the Art of Programming. Pattis used the language in his courses at Stanford University, California. The language is named after Karel Čapek, a Czech writer who introduced the word robot.
Arduino Programming Tutorial
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.
- 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
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Learn Arduino programming from scratch with 200+ practical lessons, circuit diagrams, and ready-to-use code examples. For beginners, students, hobbyists, and engineers looking to learn Arduino from scratch or advance their skills — build real projects, understand electronics, and master Arduino. The app includes a wide collection of electronic components, analog and digital sensors, and external modules used with Arduino. Each topic includes: • Clear, detailed explanations of how components work • Step-by-step wiring instructions and circuit guidance • Integration steps with practical usage tips • Ready-to-use Arduino code examples • Interactive quiz questions Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The application provides detailed lessons and wiring guides for a wide range of hardware components commonly used with Arduino, including: • GPIO, buttons, LEDs • ADC, PWM • UART, I2C, SPI communication • Distance, motion, and infrared sensors • Temperature, humidity, and pressure sensors • Light, sound, gas, and touch sensors • LCD and OLED displays • Motors, relays, and actuators • Accelerometers and gyroscopes • Real-time clock modules These examples include wiring diagrams, explanations, and ready-to-use Arduino code. The built-in programming course covers essential C++ topics used in Arduino development: • Data types and variables • Operators and expressions • Control structures and loops • Arrays and strings • Functions and scope • Math and random functions • Bitwise operations • Preprocessor directives All lessons, component descriptions, and quizzes are regularly updated and expanded in every new app version. "Arduino" and all other mentioned trade names are trademarks of their respective owners. This app is an independent educational product and is not affiliated with, endorsed by, sponsored by, or associated with Arduino or any other company.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Karel1981 | Arduino Programming Tutorial |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews — better | 45.5% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 65 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | IHPCI.org, z.s. | ALG Software Lab |
Customer experience
Karel1981
Arduino Programming Tutorial
In-app purchases
Karel1981
No in-app purchases
Arduino Programming Tutorial
No in-app purchases
Questions
Is Karel1981 free?
Is Arduino Programming Tutorial free?
Do Karel1981 or Arduino Programming Tutorial have ads?
Which is updated more often, Karel1981 or Arduino Programming Tutorial?
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