
Free Code Camp
Codecademy
The Odin Project
Udemy
Skillsoft
Khan Academy
Coursera
Cratecode is a website that helps people learn how to code. Signup and start your journey for free today!

Numara Calculator
SpeedCrunch
Qalculate!
Numi App
Soulver
Numby
Engineering Equation Solver
Calculate in a notebook and share — from everyday math to engineering.

Which is more popular?
Based on our record, Cratecode seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | cratecode.com | calcumber.app |
| Pricing | ||
| Platforms | ||
| Company | — | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Cratecode is a website that helps people learn to code. It uses interactive online lessons and videos to teach web development and JavaScript. One of its main strategies is non-linear-learning, which allows students to take their own programming journey and learn what they want to learn, while...
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.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Calcumber yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Cratecode and Calcumber.
Calcumber's answer:
Calcumber's answer:
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.
Calcumber's answer:
Calcumber's answer:
HTML, CSS, TypeScript, PWA, CoolProp
Calcumber's answer:
Share your experience with using Cratecode and Calcumber. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If anyone wants to give it a try, it's available at https://cratecode.com (self-promo) for free (signup is required though). Either way, GPT4 has blown me away, and I feel a lot like how I did when I first discovered GPT3/Codex. Source: over 3 years ago
I can't personally attest to either of those courses, but here's a little list of other ones that you can consider using. All of them are more general (and not built around a certain topic): YouTube (like what you've been doing now,... Source: about 4 years ago
Tracking Calcumber since Jul 2026.
When comparing Cratecode and Calcumber, you can also consider the following products.

Learn to code by helping nonprofits.
Compare Free Code Camp to Cratecode or Calcumber:

A simple but powerful notepad calculator which evaluates expressions as you type.
Compare Numara Calculator to Cratecode or Calcumber:

Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
Compare Codecademy to Cratecode or Calcumber:

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 .
Compare SpeedCrunch to Cratecode or Calcumber:

How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
Compare The Odin Project to Cratecode or Calcumber:

Qalculate! is a multiplatform multi-purpose desktop calculator.
Compare Qalculate! to Cratecode or Calcumber: