# Karel the Robot vs AlgoScope

The clearest difference is price: AlgoScope at Free against Karel the Robot's $1.99. AlgoScope also leads on update cadence (monthly vs every 20 months). Karel the Robot's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 18.0). On ads and device support there is nothing between them.

AlgoScope is free to download; Karel the Robot costs $1.99 up front. AlgoScope sells 1 one-off in-app purchase. Karel the Robot asks for nothing beyond the download.

Karel the Robot ships an update every 20 months, AlgoScope monthly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Karel the Robot | AlgoScope |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/karel-the-robot/id807177431/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Paid | — |
| Size | 3 MB | 25 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CloudMakers, s. r. o.](https://appshunter.io/developer/789740577) | [Nub Labs Private Limited](https://appshunter.io/developer/6815234770) |

## 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


### AlgoScope

[App page](https://appshunter.io/ios/app/algoscope-dsa-visualizer/id6815234768)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlgoScope Pro | $6.99 | one-time |


## Frequently asked questions

### Is Karel the Robot free?

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

### Is AlgoScope free?

AlgoScope is free to download, with in-app purchases available.

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

Neither Karel the Robot nor AlgoScope shows ads.

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

Karel the Robot ships an update every 20 months, and AlgoScope monthly. Most recently, Karel the Robot was updated on November 1, 2026 and AlgoScope on November 6, 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.*