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ClassMarker VS Calcumber

Compare ClassMarker VS Calcumber and see what are their differences

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. featured
Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

ClassMarker logo ClassMarker

The ClassMarker online testing website, is a professional, easy to use, online quiz maker that marks your tests and quizzes for you. Create online quizzes free quiz maker. Web-based online testingWeb-based online testing service | Free quiz maker.

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
Visit Website
  • ClassMarker Landing page
    Landing page //
    2021-09-29
  • 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.

ClassMarker

Website
classmarker.com
Pricing URL
Official ClassMarker Pricing
$ Details
-
Platforms
-
Release Date
-
Edit details

Calcumber

Website
calcumber.app
Pricing URL
-
$ 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
Edit details

ClassMarker features and specs

  • User-Friendly Interface
    ClassMarker offers an intuitive and easy-to-navigate interface, making it simple for both instructors and students to use.
  • Customization Options
    The platform allows extensive customization of quizzes and tests including customizable question types, timed tests, and branding options.
  • Automated Grading
    ClassMarker provides automated grading features which save instructors a significant amount of time.
  • Security Features
    The platform offers robust security features such as the ability to randomize questions and answers, password protection, and secure test links.
  • Detailed Reporting
    Comprehensive reporting tools provide insights into performance metrics, allowing for detailed analysis of test results.

Possible disadvantages of ClassMarker

  • Pricing
    ClassMarker operates on a subscription basis, which can be costly, especially for smaller educational institutions or individual educators.
  • Limited Integration
    The platform offers limited integration options with other LMS (Learning Management Systems) and third-party applications.
  • Question Bank Limitation
    Users have reported that managing large question banks can become unwieldy and that the platform lacks more advanced organizational features.
  • Learning Curve for Advanced Features
    While the basic features are user-friendly, there can be a learning curve to make full use of the more advanced functionalities.
  • Internet Dependence
    Since ClassMarker is an online tool, it requires a stable internet connection for both test creation and taking exams, which might not be feasible for all users.

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

Analysis of ClassMarker

Overall verdict

  • Overall, ClassMarker is a highly regarded testing tool that is reliable, user-friendly, and adaptable to different testing needs. Its ability to create and distribute tests efficiently while providing valuable feedback and data analytics makes it a strong choice for anyone in need of an online assessment platform.

Why this product is good

  • ClassMarker is considered a good online testing platform due to its flexibility, ease of use, and comprehensive features. It offers a wide range of customization options for tests, such as multiple question types, timed quizzes, and the ability to upload media files. Its robust reporting tools allow users to track performance and generate detailed analytics. Additionally, ClassMarker provides secure testing environments, making it suitable for both educational institutions and businesses.

Recommended for

    ClassMarker is recommended for educators, trainers, and businesses seeking an efficient way to manage online assessments. It's particularly useful for teachers conducting exams, HR professionals managing employee evaluations, and trainers delivering certification tests.

ClassMarker videos

+ Add

How to Use ClassMarker - A Free Online Test Maker

More videos:

  • Review - ClassMarker Review
  • Tutorial - ClassMarker How to Create an Online Exam 2019

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 ClassMarker and Calcumber)

ClassMarker

Calcumber

Education
96 96%
Education
4% 4
Online Calculators
0 0%
Online Calculators
100% 100
Digital Assessments And Tests
100 100%
Digital Assessments And Tests
0% 0
LMS
100 100%
LMS
0% 0

Questions & Answers

As answered by people managing ClassMarker 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?

Calcumber's answer:

Eastern Switzerland University of Applied Sciences

User comments

Share your experience with using ClassMarker 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 ClassMarker and Calcumber

ClassMarker Reviews

The 10 Best Online Test Maker Software
ClassMarker is yet another online test maker tool that offers secure, professional web-based online testing solutions for business, training & educational assessment. It is easy to use and offers several customization options.
Source: www.proprofs.com
10 Best Quiz Maker Software for Training and Fun
ClassMarker is another all-in-one quizzing solution on our list. Itโ€™s a cloud-based test builder that can be used by instructors and online storage for published assessments that students can log in to and take quizzes assigned to them. Being a kind of quiz-oriented variation of an LMS, ClassMarker offers educators access to detailed reports that can show results in real-time.
Source: www.ispringsolutions.com

Calcumber Reviews

We have no reviews of Calcumber yet.
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What are some alternatives?

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

Treehouse - Treehouse is an award-winning online platform that teaches people how to code.

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

Pantheon - The professional website platform for Drupal & WordPress sites.

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 .

edX - Best Courses. Top Institutions. Learn anytime, anywhere.

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

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