
HackerRank
CodeSignal
Codility
codebunk
HackerEarth
HireVue
iMocha
Collaborative code editor with in-browser, real-time execution. Conduct programming phone screens like a boss.

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, coderpad seems to be more popular. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | coderpad.io | calcumber.app |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of coderpad 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.
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 coderpad 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 coderpad and Calcumber. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Some companies use things like CoderPad or Google Docs (yes, Google really used to use Google Docs). Those don't let you run the code either so they're more like whiteboards. Source: over 3 years ago
I am a CS major with a computer engineering minor. I want to prepare myself to apply for an Embedded Engineering Internship. The interview process includes a coding task on coderpad.io, I have no clue what to expect - what kind of... Source: over 3 years ago
CoderPad : Quickly Conduct Coding Interviews and Phone Screen Interviews. - Source: dev.to / over 3 years ago
Tracking Calcumber since Jul 2026.
When comparing coderpad and Calcumber, you can also consider the following products.

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Compare HackerRank to coderpad or Calcumber:

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

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to coderpad 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 coderpad or Calcumber:

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Compare Codility to coderpad or Calcumber:

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