# Karel the Robot vs Mission Decode

The clearest difference is price: Mission Decode at Free against Karel the Robot's $1.99. Mission Decode also leads on update cadence (every 5 weeks vs every 20 months) and device support (3 vs 1). Karel the Robot's advantage is ads (none vs shown). On rating, ratings volume and in-app purchases there is nothing between them.

Mission Decode 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 Mission Decode. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Karel the Robot ships an update every 20 months, Mission Decode every 5 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Karel the Robot | Mission Decode |
| --- | --- | --- |
| 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/mission-decode/id1616372902/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 5 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 3 MB | 63 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CloudMakers, s. r. o.](https://appshunter.io/developer/789740577) | [William Beaman LLC](https://appshunter.io/developer/1527337323) |

## 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


### Mission Decode

[App page](https://appshunter.io/ios/app/mission-decode/id1616372902)

This app transforms code skill development into an engaging game. It offers a fun way to learn and practice coding concepts while completing missions. Build your expertise and enjoy the challenge on the go.

**Highlights:** Strengthen code skills, Learn coding, Play a game, Complete missions, Build skills, Fun on the go

**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 Mission Decode free?

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

### Which has better reviews, Karel the Robot or Mission Decode?

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

### Do Karel the Robot or Mission Decode have ads?

Mission Decode shows ads; Karel the Robot does not.

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

Karel the Robot ships an update every 20 months, and Mission Decode every 5 weeks. Most recently, Karel the Robot was updated on October 6, 2026 and Mission Decode on October 8, 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.*