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Calcumber VS Codewars

Compare Calcumber VS Codewars and see what are their differences

Calcumber

Calculate in a notebook and share — from everyday math to engineering.

Calcumber Usefulness of units when calculating the weight of paper
Rating
0 reviews
Pricing
Free
Alternatives Is it good?
Codewars

Achieve code mastery through challenge.

Codewars Landing page
Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
FlexiQuiz
FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun. sponsored

Which is more popular?

Based on our record, Codewars seems to be more popular. It has been mentioned 160 times since March 2021.

social mentions
0 vs 160
Math Calculators popularity
100% vs 0%
alternatives listed
7 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

Calcumber
Codewars
Website calcumber.app codewars.com
Pricing
Free
Open source
Platforms
Web Windows Linux Mac +1
—
Company Startup from Switzerland · 1 - 9 employees · 2025 —
Listed in
Education Math Tools Online Calculators Engineering Calculator Math Calculators Math Solver +3
Online Learning Online Courses Online Education Education +1

About Calcumber and Codewars

In their own words, as submitted to SaaSHub.

Calcumber
Codewars

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.

Read more about Calcumber

No description of Codewars yet.

Features and specs

What each product offers, as listed by its team.

Calcumber 7 features
Codewars 5 features
  • 🌿 Naturally type expressions
    get immediate results
  • 🔗 Copy and share
    keep calculations editable with a link
  • 🧩 Variables and constants
    pi, e, G, mu0
  • 🧪 Scientific functions
    sin, acos, log, round, and more
  • ♨️ Thermodynamic fluid properties
    refrigeration, heat pumps, steam and air
  • 💡 Installation optional
    run directly in your browser
  • 📱 Multi-platform
    WebApp, Windows, more to come
  • Wide Range of Challenges
    Codewars offers a broad spectrum of coding challenges ranging from easy to very difficult, catering to all skill levels.
  • User Engagement
    The platform encourages community interaction through comments, user-submitted challenges, and solutions, fostering a collaborative learning environment.
  • Multiple Languages
    Codewars supports a variety of programming languages, allowing users to practice and improve skills in their language of choice.
  • Gamification
    The use of a ranking system, badges, and honor points adds a gamified layer to the learning process, making it more engaging and motivating.
  • Detailed Solutions
    After solving a challenge, users can view multiple solutions from others, offering a range of approaches and insights into problem-solving.

Possible disadvantages

  • Steep Learning Curve
    Beginners might find some challenges too difficult at first, which can be discouraging without proper guidance or learning resources.
  • Quality Variability
    The quality of user-submitted challenges can be inconsistent, meaning not all katas are equally useful or well-designed.
  • Limited In-Depth Learning
    While great for practice, Codewars does not provide comprehensive tutorials or in-depth explanations, which are often needed for mastering complex concepts.
  • Time Consumption
    The addictive nature of the platform can lead to spending excessive time on solving challenges, potentially detracting from other learning activities.

Analysis

An editorial look at what each product does well and who it suits.

Calcumber
Codewars

No analysis of Calcumber yet.

Overall verdict

  • Yes, Codewars is a valuable resource for programmers looking to enhance their problem-solving skills and gain proficiency in various programming languages.

Why this product is good

  • Codewars is considered good due to its extensive library of coding challenges (kata) that cater to multiple programming languages. It promotes learning through practice, allowing users to improve their coding skills by solving increasingly complex problems. The platform also encourages community engagement by allowing users to create their own challenges and interact with solutions from other programmers.

Recommended for

    Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.

Videos

Walkthroughs and reviews on video.

Calcumber 0 videos + Add
Codewars 2 videos + Add

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

Codewars Review & Tips

More videos

  • Review - Practising Programming | Codewars Intro

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Calcumber
Codewars
100% 100%
Math Calculators
0% 0%
0% 0%
Online Learning
100% 100%
100% 100%
Math Solver
0% 0%
0% 0%
Online Education
100% 100%

Questions & Answers

As answered by people managing Calcumber and Codewars.

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?

Calcumber's answer

Eastern Switzerland University of Applied Sciences

User comments

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

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Calcumber no reviews yet
Codewars no reviews yet

We have no reviews of Calcumber yet. Be the first one to post

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Calcumber 0 mentions
Codewars 160 mentions

Tracking Calcumber since Jul 2026.

  • Of recursion and backtracking
    Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
  • 4th year, about to fail an entire semester's worth of classes.
    Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
  • Beginner with C++ looking for direction
    I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago

View more

Alternatives to Calcumber and Codewars

When comparing Calcumber and Codewars, you can also consider the following products.

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