
iHandy Carpenter
Angle Finder™
Pocket Ruler AR
Clinometer + bubble level
70 Degree : Smart Protractor
iLevel – Protractor & Level
Protractor Smart
Notation Pad is the Easiest way to write sheet music with notations on iOS/Android.

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?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | notationpad.com | 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 Notation Pad 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
Walkthroughs and reviews on video.
Tutorial Notation Pad App to write music intro
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Notation Pad 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 Notation Pad and Calcumber. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Notation Pad (opens in new tab) Available on iOs or Android devices, this app is a useful tool for jotting down musical refrains and quick compositions. Zoom tools and a cleaner layout make it a little easier to...
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