Opal.so VS Numbr

Which is more popular?

Based on our record, Numbr seems to be more popular. It has been mentioned 11 times since March 2021.

Base details

Website, pricing, platforms and company facts side by side.

	Opal.so	Numbr
Website	opal.so	numbr.dev
Pricing	Official pricing	Open source
Platforms	—	Web Mac OSX Windows iOS Google Chrome +2
Company	—	2022
Listed in	Focus Productivity Time Tracking Time Management +1	Productivity Calculators Online Calculators Cryptocurrencies +1

What each product offers, as listed by its team.

Opal.so 0 features

Numbr 4 features

No features have been listed yet.

Simplicity
Numbr provides a user-friendly interface that makes it easy for users to perform calculations without the need for complex programming or setup.
Collaboration
The platform supports real-time collaboration, allowing multiple users to work on the same project simultaneously, which enhances productivity and teamwork.
Accessibility
Numbr is web-based, so it can be accessed from any device with internet connectivity, making it highly accessible to users regardless of their location.
Integration
Numbr can integrate with other productivity tools and platforms, allowing users to seamlessly incorporate it into their existing workflows.

Possible disadvantages

Limited Functionality
Compared to more established data processing tools, Numbr may offer limited functionality, which can be a drawback for users requiring advanced features.
Performance
As a web-based application, the performance of Numbr can be dependent on the user's internet connection, potentially leading to lag or delays during usage.
Security Concerns
Storing and processing data online can pose security risks, and users may have concerns about data privacy and protection when using web-based applications like Numbr.
Learning Curve
New users may face a learning curve in understanding how to effectively utilize all of Numbr's features, particularly if they are accustomed to other platforms.

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Opal.so

Numbr

79% 79%

21% 21%

0% 0%

100% 100%

0% 0%

100% 100%

0% 0%

Share your experience with using Opal.so and Numbr. For example, how are they different and which one is better?

Recommendations tracked on public social media and blogs since March 2021.

Opal.so 0 mentions

Numbr 11 mentions

Tracking Opal.so since May 2025.

While the world builds AI Agents, I'm just building calculators
I also love numi on my mac! a similar online alternative is https://numbr.dev/. - Source: Hacker News / over 1 year ago
Show HN: Heynote – A Dedicated Scratchpad for Developers
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
How to use dot (.) in numpad for decimals in Numi calculator?
Would you like to try https://numbr.dev ? Source: almost 4 years ago

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