
Webcrate
Email This
Save For Later
My Reads
wallabag
LARDER
DoMarks
WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.

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, WebCull seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | webcull.com | calcumber.app |
| Pricing | — | |
| Platforms | — | |
| Company | 2019 | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


WebCull is a web-based bookmark manager, with browser extensions on Chrome, Firefox, Edge, Brave, Opera, and more. A Safari extension for macOS is also available as a direct download from https://webcull.com/safari. Designed to provide a secure, privacy-focused solution for organizing and...
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.
Walkthroughs and reviews on video.
A bookmark manager that works in any browser or device.
More videos
No Calcumber videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing WebCull 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 WebCull 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.


Webcull is a bookmark manager that lets you manage, organize, and save bookmarks. Just like any other bookmark manager, you can organise unlimited bookmarks into one folder. webcull’s interesting feature is that, you...
We have no reviews of Calcumber yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I have just been looking for the same thing. Currently I found 2 services that I am testing 1- webcull 2- flocus. Source: over 4 years ago
Webcull.com is way over 250k and geting 100 on desktop. 95 on mobile. Source: almost 5 years ago
I have been scouring the internet for private bookmark managers that have an extension for FF, and found a couple of potential contenders: WebCull and Trove. WebCull seems pretty private but I cannot figure out how to get the extension... Source: almost 5 years ago
Tracking Calcumber since Jul 2026.
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