# Karel the Robot vs Boolearn

The clearest difference is price: Boolearn at Free against Karel the Robot's $1.99. Boolearn also leads on update cadence (every 5 days vs every 20 months). Karel the Robot's advantage is iOS requirement (15.6 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Boolearn is free to download; Karel the Robot costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Karel the Robot against 5.0 for Boolearn. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Karel the Robot ships an update every 20 months, Boolearn every 5 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Karel the Robot | Boolearn |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/karel-the-robot/id807177431/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/boolearn/id6744467961/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CloudMakers, s. r. o.](https://appshunter.io/developer/789740577) | [Gustavo Diefenbach](https://appshunter.io/developer/1688275084) |

## What reviewers say

### Karel the Robot

[App page](https://appshunter.io/ios/app/karel-the-robot/id807177431)

This educational app introduces programming concepts through interactive logic puzzles. It features a friendly robot that follows simple instructions, making coding accessible and fun for beginners and children.

**Highlights:** Learn programming concepts, Interactive logic puzzles, Robot-based instruction, Structured programming environment, Beginner-friendly coding

**In-app purchases:** none


### Boolearn

[App page](https://appshunter.io/ios/app/boolearn/id6744467961)

An interactive educational platform to learn digital electronics through practical, accessible, and fun gameplay. Explore decimal and binary numbers, logic gates, and logic levels with hands-on challenges.

**Highlights:** Interactive learning platform, Digital electronics fundamentals, Decimal and binary numbers, Logic gates and levels, Hands-on challenges, Intuitive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Karel the Robot free?

Karel the Robot costs $1.99, with no in-app purchases.

### Is Boolearn free?

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

### Which has better reviews, Karel the Robot or Boolearn?

Karel the Robot and Boolearn are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Karel the Robot or Boolearn have ads?

Neither Karel the Robot nor Boolearn shows ads.

### Which is updated more often, Karel the Robot or Boolearn?

Karel the Robot ships an update every 20 months, and Boolearn every 5 days. Most recently, Karel the Robot was updated on November 1, 2026 and Boolearn on October 30, 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.*