# Karel the Robot vs RISC

Karel the Robot and RISC both sit at 5.0 stars, but that hides the real split: 100% of RISC's written reviews are positive against 50% of Karel the Robot's. RISC also leads on price (Free vs $1.99) and update cadence (every 2 weeks vs every 20 months). Karel the Robot's advantage is iOS requirement (15.6 vs 26.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

RISC 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 RISC. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 50% of Karel the Robot's written reviews are positive against 100% of RISC's.

Karel the Robot ships an update every 20 months, RISC every 2 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Karel the Robot | RISC |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/karel-the-robot/id807177431/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/risc-v-assembly-simulator/id6746425094/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 3 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CloudMakers, s. r. o.](https://appshunter.io/developer/789740577) | [Matthew Jacobs](https://appshunter.io/developer/1750387744) |

## 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


### RISC

[App page](https://appshunter.io/ios/app/risc-v-assembly-simulator/id6746425094)

Simulate a complete 32-bit mobile system, including CPU units and memory. Write and debug assembly code directly on the simulated hardware to understand its inner workings.

**Highlights:** 32-bit system simulation, CPU unit simulation, Memory subsystem simulation, Native assembly coding, Built-in debugger, Hardware analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is Karel the Robot free?

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

### Is RISC free?

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

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

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

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

Neither Karel the Robot nor RISC shows ads.

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

Karel the Robot ships an update every 20 months, and RISC every 2 weeks. Most recently, Karel the Robot was updated on October 6, 2026 and RISC on October 1, 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.*