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Flat101 VS Calcumber

Compare Flat101 VS Calcumber and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

Flat101 logo Flat101

We are a company specialized in digital concept and solutions to improve your web performance. Start optimizing your online business today.

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
Visit Website
  • Flat101 Landing page
    Landing page //
    2023-07-03
  • 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.

Flat101

Website
flat101.es
$ Details
-
Platforms
-
Release Date
-
Edit details

Calcumber

Website
calcumber.app
$ 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

Flat101 features and specs

No features have been listed yet.

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 Flat101

Overall verdict

  • Flat101 is a well-regarded Spanish digital marketing and web development agency, particularly known for SEO, PPC, and e-commerce solutions, with a solid reputation among businesses in Spain looking for data-driven growth strategies.

Why this product is good

  • Established agency with years of experience in SEO and performance marketing in the Spanish market
  • Offers a comprehensive range of services including SEO, SEM, web development, and e-commerce optimization
  • Data-driven approach with focus on measurable ROI for clients
  • Positive reputation and case studies with recognizable brands in Spain
  • Experienced team with specialized knowledge in technical SEO and analytics

Recommended for

  • Businesses operating primarily in the Spanish-speaking market
  • E-commerce companies looking to improve organic search visibility and conversions
  • Companies seeking a full-service digital marketing partner rather than piecemeal freelancers
  • Mid-to-large businesses with budget for professional agency-level services
  • Brands needing technical SEO audits and long-term organic growth strategies

Category Popularity

0-100% (relative to Flat101 and Calcumber)

Flat101

Calcumber

Job Boards
100 100%
Job Boards
0% 0
Education
0 0%
Education
100% 100
Tech Jobs
100 100%
Tech Jobs
0% 0
Engineering Calculator
0 0%
Engineering Calculator
100% 100

Questions & Answers

As answered by people managing Flat101 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 Flat101 and Calcumber. For example, how are they different and which one is better?
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What are some alternatives?

When comparing Flat101 and Calcumber, you can also consider the following products

Onilab - Onilab is a high-end Magento development company serving customers from US, UK and Australia for over 7 years. We are the Magento troubleshooters you've been looking for.

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A2 Design Inc. - . A2 Design Inc .

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 .

BlinkBee - BlinkBee is a loyalty solutions provider with happy clients like Kotak, Souq and so on.

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

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