Software Alternatives, Accelerators & Startups

Code Kingdoms VS Calcumber

Compare Code Kingdoms VS Calcumber and see what are their differences

Code Kingdoms logo Code Kingdoms

Learn to code with Minecraft and Roblox. Ages 8-14

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
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  • Code Kingdoms Landing page
    Landing page //
    2023-10-19
  • Calcumber Usefulness of units when calculating the weight of paper
    Usefulness of units when calculating the weight of paper //
    2026-07-25
  • Calcumber Calcumber interactively embedd on a web page
    Calcumber interactively embedd on a web page //
    2026-07-25
  • Calcumber Showcase from arithmetics to thermodynamics
    Showcase from arithmetics to thermodynamics //
    2026-07-25

Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.

Calcumber

$ Details
free
Platforms
Web Windows Linux Mac
Release Date
2025 June
Startup details
Country
Switzerland
State
Aargau
City
Staufen
Founder(s)
Samuel Hartmann
Employees
1 - 9

Code Kingdoms features and specs

  • Interactive Learning
    Code Kingdoms offers interactive coding courses specifically designed for kids, making it engaging and entertaining to learn programming concepts.
  • Minecraft and Roblox Integration
    The platform integrates with popular games like Minecraft and Roblox, allowing children to learn coding by creating modifications for these games, which adds a practical and fun element to their learning process.
  • Drag-and-Drop Interface
    The drag-and-drop coding interface simplifies programming for beginners, allowing young learners to focus on logic and problem-solving without getting caught up in syntax issues.
  • Structured Curriculum
    Code Kingdoms offers a structured curriculum that steadily advances in complexity, ensuring that learners gradually build on their knowledge and skills.

Possible disadvantages of Code Kingdoms

  • Limited Scope for Advanced Learners
    The platform might not be suitable for older or more advanced users who want to delve deeper into more complex coding languages or projects.
  • Subscription Cost
    Code Kingdoms is a subscription-based service, which could be a financial barrier for some families who are looking for free coding resources.
  • Reliance on Specific Games
    While the focus on Minecraft and Roblox is appealing to many, it might limit learners who are interested in other fields or who do not play these games.
  • Internet Requirement
    The need for a constant internet connection can be a disadvantage for users with limited or unreliable internet access.

Calcumber features and specs

  • ๐ŸŒฟ Naturally type expressions
    get immediate results
  • ๐Ÿ”— Copy and share
    keep calculations editable with a link
  • ๐Ÿงฉ Variables and constants
    pi, e, G, mu0
  • ๐Ÿงช Scientific functions
    sin, acos, log, round, and more
  • โ™จ๏ธ Thermodynamic fluid properties
    refrigeration, heat pumps, steam and air
  • ๐Ÿ’ก Installation optional
    run directly in your browser
  • ๐Ÿ“ฑ Multi-platform
    WebApp, Windows, more to come

Code Kingdoms videos

Code Kingdoms

More videos:

  • Review - Learn Coding with Minecraft using the Code Kingdoms platform
  • Review - Code your own Minecraft server with Code Kingdoms

Calcumber videos

No Calcumber videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Code Kingdoms and Calcumber)
Education
100 100%
0% 0
Math Calculators
0 0%
100% 100
Programming
100 100%
0% 0
Math Solver
0 0%
100% 100

Questions & Answers

As answered by people managing Code Kingdoms and Calcumber.

Why should a person choose your product over its competitors?

Calcumber's answer:

  • Sharing calculations and embedding them in documents or web pages is perfect for education.
  • Natural unit support, just include them in your expression and Calcumber handles it.
  • Free and easy access to thermodynamic fluid-properties.

What makes your product unique?

Calcumber's answer:

  • Easy to use calculator notebook
  • From simple arithmetic to advanced engineering with units
  • Installation optional
  • Send calculation link with full privacy
  • Embed calculation templates, exercices and soultions in documents or interactively in web pages

What's the story behind your product?

Calcumber's answer:

When starting for a Master of Advances Study in Energy Systems, I was looking for a suitable state-of-the-art calculator. Then I built my own Calculator Calcumber and now the Eastern Switzerland University of Applied Sciences is using Calcumber for teaching students in thermodynamics.

How would you describe the primary audience of your product?

Calcumber's answer:

  • The notebook-style calculator is great for everybody who wants more than just a single line calculator.
  • The sharing and embedding features make it Calcumber very well suited for teachers and students. The power of consistently using units is shown immediatly.
  • Engineers will like the unit support, sharing calculations with collegues and if needed the built-in fluid properties calculation.

Which are the primary technologies used for building your product?

Calcumber's answer:

HTML, CSS, TypeScript, PWA, CoolProp

Who are some of the biggest customers of your product?

User comments

Share your experience with using Code Kingdoms and Calcumber. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Code Kingdoms and Calcumber

Code Kingdoms Reviews

16 Scratch Alternatives
Roblox comes with one of the leading education-providing-based partners, the Code Kingdoms, which can provide everything a beginner needs with his coding. This platform can let its users get a special coding education so they can develop games on their own quickly. It can even permit kids to effortlessly learn to program so that they can have the opportunity to educate...

Calcumber Reviews

We have no reviews of Calcumber yet.
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Social recommendations and mentions

Based on our record, Code Kingdoms seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Code Kingdoms mentions (5)

  • What does "do projects" mean?
    Your 2c are good, but I'll add to them - if you have trouble with self-tutoring the basics, then tread hte way of the padawan. Use code.org, codekingdoms.com or codecombat.com and the Microsoft code exercises (Hour of code on Minecraft educational edition - the latest HoC offers both block coding and python coding). Source: over 3 years ago
  • My 11 y/o son is seriously interested in learning to code
    Codekingdoms.com - offers both block and code, Java (Minecraft) and Lua (Roblox). Source: over 3 years ago
  • Coding class for kids?
    CodeKingdoms, I used it a few years back for MC but they also have Roblox things as well... (https://codekingdoms.com/). Source: over 3 years ago
  • Ask HN: Is 'Code Kingdoms' Ok?
    Https://codekingdoms.com/ Apparently they teach kids to code via minecraft and roblox. Anyone used it? Is it ok / a scam / worthwhile? Tx! - Source: Hacker News / over 4 years ago
  • Where to start for a teen?
    I bought my daughter a subscription to CodeKingdoms and I highly recommend it! There are plentiful courses included and it allows you to start visually and finish with full Lua. Everything you build in the site is deployed to Roblox studio as usual. Source: over 5 years ago

Calcumber mentions (0)

We have not tracked any mentions of Calcumber yet. Tracking of Calcumber recommendations started around Jul 2026.

What are some alternatives?

When comparing Code Kingdoms and Calcumber, you can also consider the following products

Code.org - Code.org is a non-profit whose goal is to expose all students to computer programming.

Numara Calculator - A simple but powerful notepad calculator which evaluates expressions as you type.

Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donateย .

CodeCombat - Learn programming with a multiplayer live coding strategy game.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.