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Sumnotes VS Calcumber

Compare Sumnotes VS Calcumber and see what are their differences

Sumnotes

Export highlights from PDFs

Rating
0 reviews
Alternatives Is it good?
Calcumber

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

Rating
0 reviews
Pricing
Free
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
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

PDF Tools popularity
100% vs 0%
alternatives listed
88 vs 7

Base details

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

Sumnotes
Calcumber
Website sumnotes.net calcumber.app
Pricing
Official pricing
Free
Platforms —
Web Windows Linux Mac +1
Company — Startup from Switzerland · 1 - 9 employees · 2025
Listed in
PDF Tools PDF Editor Office & Productivity PDF Readers And Editors +1
Education Math Tools Online Calculators Engineering Calculator Math Calculators Math Solver +3

About Sumnotes and Calcumber

In their own words, as submitted to SaaSHub.

Sumnotes
Calcumber

No description of Sumnotes 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.

Sumnotes 5 features
Calcumber 7 features
  • Ease of Use
    Sumnotes offers a straightforward and user-friendly interface that allows users to easily upload PDF files and extract highlights without a steep learning curve.
  • Highlight Extraction
    The primary feature of Sumnotes is its ability to accurately extract highlighted text from PDF files, saving users time compared to manual extraction.
  • Export Options
    Sumnotes provides flexible export options, allowing users to save their extracted notes in various formats such as Word, Excel, or plain text, which can be convenient for different use cases.
  • Cloud Integration
    The service integrates with major cloud storage platforms like Google Drive and Dropbox, making it easy to access and manage documents from multiple devices.
  • No Software Installation
    As a web-based tool, Sumnotes does not require any software installation, enabling users to access its features quickly through a web browser.

Possible disadvantages

  • Limited Free Version
    The free version of Sumnotes has limitations on the number of pages or documents that can be processed, pushing users towards a paid subscription for larger tasks.
  • Dependence on Internet
    Being a web-based application means that Sumnotes requires a stable internet connection, which can be a limitation in areas with unreliable internet access.
  • Privacy Concerns
    Uploading documents to a third-party service may raise privacy concerns for users who deal with sensitive or confidential information.
  • Feature Set
    While effective at extracting highlights, Sumnotes may lack advanced features and customization options that are available in more comprehensive PDF management tools.
  • Processing Speed
    The processing speed for extracting highlights may vary depending on the file size and server load, which can be a drawback for users needing quick results.
  • 🌿 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.

Sumnotes 1 video + Add
Calcumber 0 videos + Add

Sumnotes tutorial/pdf extractor/highlights extractor

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
Sumnotes
Calcumber
100% 100%
PDF Tools
0% 0%
0% 0%
Online Calculators
100% 100%
100% 100%
Office & Productivity
0% 0%
0% 0%
Education
100% 100%

Questions & Answers

As answered by people managing Sumnotes 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

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Alternatives to Sumnotes and Calcumber

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