Software Alternatives & Startups

Questionmark VS Calcumber

Compare Questionmark VS Calcumber and see what are their differences

Questionmark

Questionmark provides quality testing, assessment software, and support services to enable individuals and organizations reach their goals.

Rating
0 reviews
Calcumber

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

Rating
0 reviews
Pricing
Free

Which is more popular?

Education popularity
91% vs 9%
alternatives listed
61 vs 7

Base details

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

Q
Questionmark
Calcumber
Website questionmark.com calcumber.app
Pricing —
Free
Platforms —
Web Windows Linux Mac +1
Company — Startup from Switzerland · 1 - 9 employees · 2025
Listed in

About Questionmark and Calcumber

In their own words, as submitted to SaaSHub.

Q
Questionmark
Calcumber

No description of Questionmark yet.

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

Features and specs

What each product offers, as listed by its team.

Q
Questionmark 5 features
Calcumber 7 features
  • Comprehensive Assessment Tools
    Questionmark provides a wide range of assessment tools and question types, which can be customized to suit different testing needs. It caters to diverse industries such as education, corporate, and governmental sectors.
  • Robust Analytics
    The platform offers detailed reporting and analytics features, allowing users to gain insights into assessment data and performance metrics. This feature helps organizations to make informed decisions based on empirical data.
  • Scalability
    Questionmark is designed to handle a high volume of test-takers simultaneously, making it suitable for both small and large organizations. It can scale up as the organization grows and requires more extensive assessment delivery.
  • Security and Compliance
    The platform emphasizes security and compliance, ensuring that data is protected and adheres to regulations such as GDPR. This is essential for organizations that handle sensitive information during assessments.
  • Integration Capabilities
    Questionmark can integrate with various Learning Management Systems (LMS) and other third-party applications, facilitating seamless data exchange and workflow automation.

Possible disadvantages

  • Complexity
    Due to the comprehensive nature of the platform, new users may find it complex to navigate initially. There may be a steep learning curve involved in utilizing all features effectively.
  • Cost
    Questionmark can be on the pricier side, especially for small businesses or educational institutions with limited budgets. The cost might be a barrier for those looking for a more affordable assessment solution.
  • Customization Limitations
    While Questionmark offers customization options, some users may find these insufficient for their specific needs, especially if they require highly specialized or unique assessment formats.
  • Mobile Compatibility Issues
    Some users have reported issues with the mobile interface, indicating that certain features may not work as smoothly on mobile devices compared to desktop platforms.
  • Support Response Time
    There have been some reports of delayed response times from customer support, which can be an issue for users needing urgent assistance or facing critical problems during assessments.
  • 🌿 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

Videos

Walkthroughs and reviews on video.

Q
Questionmark 1 video + Add
Calcumber 0 videos + Add

Questionmark app - Review (Consumentenbond)

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

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
Q
Questionmark
Calcumber
91% 91%
9% 9%
0% 0%
100% 100%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Questionmark 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 Questionmark and Calcumber. For example, how are they different and which one is better?

Log in or Post with

Alternatives to Questionmark and Calcumber

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