# Karel the Robot vs Gate Genius

The clearest difference is review sentiment: Karel the Robot at 50% against Gate Genius's 0%. Karel the Robot also leads on rating (5.0 vs 3.0) and iOS requirement (15.6 vs 18.2). Gate Genius's advantage is price (Free vs $1.99) and update cadence (every 4 months vs every 20 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Gate Genius 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.

Karel the Robot holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 50% of Karel the Robot's written reviews are positive against 0% of Gate Genius's.

Karel the Robot ships an update every 20 months, Gate Genius every 4 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Karel the Robot | Gate Genius |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/karel-the-robot/id807177431/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/gate-genius/id6743524610/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CloudMakers, s. r. o.](https://appshunter.io/developer/789740577) | [Nonprawich Intakaew](https://appshunter.io/developer/1694154282) |

## 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


### Gate Genius

[App page](https://appshunter.io/ios/app/gate-genius/id6743524610)

Explore interactive lessons and simulations to understand logic gates. This educational app offers hands-on experimentation, gamified quizzes, and real-time recognition of drawn gates to make digital logic engaging and intuitive.

**Highlights:** Interactive logic gate lessons, Real-time gate simulations, Timing diagram simulator, Hands-on gate experimentation, Gamified quizzes and challenges, Logic gate drawing recognition

**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 Gate Genius free?

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

### Which has better reviews, Karel the Robot or Gate Genius?

Karel the Robot is rated higher. Karel the Robot averages 5.0 out of 5 from 1 ratings, while Gate Genius averages 3.0 from 1 ratings.

### Do Karel the Robot or Gate Genius have ads?

Neither Karel the Robot nor Gate Genius shows ads.

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

Karel the Robot ships an update every 20 months, and Gate Genius every 4 months. Most recently, Karel the Robot was updated on October 6, 2026 and Gate Genius on October 16, 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.*