Comparison

Karel the Robot vs Gate Genius

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Karel the Robot

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
Read full description

Are you fed up by pointless computer games? Then you've come to the right place. Welcome to the world of Karel! An excellent place to learn, play and have fun...all at the same time! Karel for iPad is a logical game for children and/or an educational programming language for beginners. The main idea is to show that programming could be easy and fun - especially for kids. Karel is a small robot who lives in his world. He is able to follow simple instructions given manually or by a program. In the first mode he can be used even by small kids for solving simple logical exercises. In the second one it provides a complete environment for teaching structured programming.

About

Gate Genius

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
Read full description

Learn Logic Gates with Gate Genius! Explore interactive lessons, take quizzes, and experiment with real-time logic gate simulations. Gate Genius is an educational app designed to make learning about logic gates engaging and intuitive. Inspired by real classroom challenges, this app transforms digital logic into an interactive and fun experience. • Explore the World of Logic Gates Dive into comprehensive lessons covering NOT, AND, OR, XOR, and other essential gates. Each lesson includes interactive visuals, real-time simulations, and clear explanations to help you grasp the fundamentals. The Timing Diagram Simulator (built with SwiftCharts) lets you visualize input-output relationships dynamically, helping you understand signal behavior like never before. • Hands-on Gate Simulator Interact with logic gates by toggling inputs and observing outputs in real-time. The custom SF Symbol-based gate visuals enhance clarity and offer support for color and monochrome modes for better learning retention. • Gamified Quizzes & Challenges Test your knowledge with engaging exercises: - Adjust inputs to match a given output - Identify incorrect outputs from a set of logic gates - Solve truth tables to reinforce your understanding - Draw logic gates using CoreML, Vision, and PencilKit for real-time recognition • Accessibility & Smart Navigation Designed with VoiceOver support, TipKit guidance, and an intuitive tab-based layout, Gate Genius ensures a smooth experience for all learners.

Screenshots

Gate Genius4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Karel the Robot versus Gate Genius: the parameters behind the verdict, then further details
ParameterKarel the RobotGate Genius
Price$1.99Free — better
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings11
Update frequencyEvery 20 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad — better
Requires iOS15.6 — better18.2
Further details — not scored
Size3 MB6 MB
Age rating4+4+
DeveloperCloudMakers, s. r. o.Nonprawich Intakaew

Customer experience

Karel the Robot

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Gate Genius

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Karel the Robot

No in-app purchases

None

Gate Genius

No in-app purchases

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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