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RandomPicker.com VS Calcumber

Compare RandomPicker.com VS Calcumber and see what are their differences

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AI study tools that generate mindmaps, spaced-repetition flashcards, and 3D memory palaces from your notes. Built-in rich text editor, Pomodoro timer, and colored noise. sponsored
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Contents:
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  2. » Reviews
  3. » Alternatives

RandomPicker.com logo RandomPicker.com

RandomPicker.com helps you draw winners for your contests, giveaways or raffles.

Calcumber logo Calcumber

Calculate in a notebook and share — from everyday math to engineering.
Visit Website
  • RandomPicker.com Landing page
    Landing page //
    2023-06-20
  • 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.

RandomPicker.com

Website
randompicker.com
Pricing URL
Official RandomPicker.com 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

RandomPicker.com features and specs

  • Ease of Use
    RandomPicker.com provides a straightforward interface that allows users to easily create random draws without a steep learning curve.
  • Fairness and Transparency
    The platform offers verifiable draw results and detailed reports to ensure that the process is fair and transparent for all participants.
  • Security
    RandomPicker.com uses secure technology to protect users' data and ensure that the draw results cannot be tampered with.
  • Versatility
    The service supports various types of draws, catering to different needs such as raffles, giveaways, and lotteries.
  • Audit Reports
    The platform provides comprehensive audit reports, which can be used for compliance and verification purposes.

Possible disadvantages of RandomPicker.com

  • Limited Free Features
    While RandomPicker.com offers some free features, advanced functionality and options may require a paid subscription.
  • Complex Rules May Be Difficult
    Users with highly specific or complex draw requirements may find it challenging to set up their draws without additional support.
  • Dependence on Internet
    As an online service, it requires a stable internet connection to access and use its features effectively.
  • Possibility of User Error
    Errors in data input or setup can affect draw results, making it essential for users to carefully review configuration settings.
  • Limited Customization
    The platform may have limited customization options for branding and user interface, which might not fully align with all users' needs.

Calcumber features and specs

  • 🌿 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

Category Popularity

0-100% (relative to RandomPicker.com and Calcumber)

RandomPicker.com

Calcumber

Random Name Picker
100 100%
Random Name Picker
0% 0
Math Calculators
0 0%
Math Calculators
100% 100
Random Generator
100 100%
Random Generator
0% 0
Math Solver
0 0%
Math Solver
100% 100

Questions & Answers

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

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

RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.

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

Random Name Picker - A simple, quick online app that allows you to pick a random name from a list.

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 Donate .

Woobox - Woobox helps you easily create powerful contests, sweepstakes, coupons, and more to grow your fans...

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

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