
Numi App
Soulver
Soulver 3 for Mac
NumPad
Omni Calculator
Calca
Parsify Desktop
An elegant calculator for the web

CodePen
replit
JSFiddle
StackBlitz
GitHub
VS Code
JS Bin
Online playground for React
Which is more popular?
Based on our record, CodeSandbox seems to be a lot more popular than Numbr. While we know about 313 links to CodeSandbox, we've tracked only 11 mentions of Numbr.
Website, pricing, platforms and company facts side by side.
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| Website | numbr.dev | codesandbox.io |
| Pricing | ||
| Platforms | — | |
| Company | 2022 | Startup from The Netherlands · 1 - 9 employees · 2017 |
| Listed in |
What each product offers, as listed by its team.


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


No analysis of Numbr yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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A browser IDE that's actually GOOD? (CodeSandbox.io Review!)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Numbr and CodeSandbox. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Numbr yet. Be the first one to post
Codesandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster. Codesandbox: Online code editor and ide for rapid web development.
CodeSandbox can be thought of as a much more powerful and complete take on JSFiddle. True to its name, CodeSandbox provides a complete code editor experience and a sandboxed environment for front-end development.
Recommendations tracked on public social media and blogs since March 2021.


I also love numi on my mac! a similar online alternative is https://numbr.dev/. - Source: Hacker News / over 1 year ago
This looks fantastic. I will definitely give it a spin. I've been tracking what I call "computational scratchpad" apps for a while now but haven't found one that fits my environment/workflow yet. Maybe Heynote will. Here are some others... - Source: Hacker News / almost 3 years ago
Would you like to try https://numbr.dev ? Source: almost 4 years ago
To begin, you can start creating your own react app using the command line or can directly go to CodeSandbox if you want to skip using the command line which is faster. CodeSandbox is an online code editor and prototype tool that speeds... - Source: dev.to / 5 months ago
To begin, you can create a react app using the command line or any code editor (e.g., VSCode). You can also try using CodeSandbox as an online code editor that is simple to use and allows you to deploy your code. - Source: dev.to / 5 months ago
If you are in a rush to open unknown repos, use GitHub Codespaces or codesandbox with Copilot or another AI integration to analyze the repo for malicious intent and to run it in a safe environment. - Source: dev.to / 11 months ago
When comparing Numbr and CodeSandbox, you can also consider the following products.



Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Compare Soulver to Numbr or CodeSandbox:

Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
Compare replit to Numbr or CodeSandbox:

A smart notepad with a built in calculator
Compare Soulver 3 for Mac to Numbr or CodeSandbox:

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to Numbr or CodeSandbox: