
WolframAlpha
SpeedCrunch
Qalculate!
Numi App
Wolfram Mathematica
Symbolab
Soulver
fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."

Contentful
Sanity.io
Directus
WordPress
Payload CMS
Prismic
Ghost
Manage any content. Anywhere. The leading open-source headless CMS. 100% JavaScript / TypeScript and fully customizable.

Which is more popular?
Based on our record, Strapi seems to be more popular. It has been mentioned 342 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | fxsolver.com | strapi.io |
| Pricing | — | |
| Company | — | Startup from France |
| Listed in |
In their own words, as submitted to SaaSHub.


Calculate multiple equations at once, Edit existing formulas and Create new ones, Compute large numbers of values, Plot graphs, Link your results, Solve full problems and Share worksheets with your friends. fxSolver is a free tool developed by a team of engineers and programmers with the sole...
No description of Strapi yet.
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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Strapi is recommended for developers and development teams looking for a flexible and customizable CMS solution, particularly those who need a headless CMS that integrates easily with modern frontend frameworks like React, Vue, or Angular. It's also suitable for organizations that prefer an open-source solution they can modify according to their needs.
Walkthroughs and reviews on video.
fxSolver Demo
Let's Checkout... #Strapi CMS
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Strapi is one of the most used headless CMS platforms. Strapi is an open-source headless CMS that is customizable and easy to use. Companies such as Walmart, eBay, Toyota, IBM use this platform.
Strapi is an open-source Node.js headless content management system, which means that the entire codebase is available on GitHub and thrives on contributors. Strapi generates a working RESTful API or uses GraphQL for...
Strapi is a popular, flexible, and open-source headless CMS that enables us to create rich digital experiences. Strapi provides REST and GraphQL APIs developers can use to access the content stored in its repository.
Recommendations tracked on public social media and blogs since March 2021.


Tracking fxSolver since Mar 2021.
Instead of rendering pages on the server, a headless CMS operates solely as a database and editing dashboard. The content is entered into the editor interface and stored as raw data. Consequently, your frontend application fetches this... - Source: dev.to / about 1 month ago
That's not true anymore. In 2026, developers are switching away from Strapi at a pace that's hard to ignore — not because it got worse, but because the alternatives got dramatically better. - Source: dev.to / 2 months ago
CMS content. Headless CMS responses from Strapi, Sanity, or Contentful are deeply nested. Type them once; let the compiler catch template bugs. - Source: dev.to / 5 months ago
When comparing fxSolver and Strapi, you can also consider the following products.

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
Compare WolframAlpha to fxSolver or Strapi:

You don't need another CMS. You need a better way to manage content — unified, structured, and ready to deploy to any digital channel.
Compare Contentful to fxSolver or Strapi:

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 fxSolver or Strapi:

Sanity.io a platform for structured content that comes with an open-source editor that you can customize with React.js.
Compare Sanity.io to fxSolver or Strapi:

Qalculate! is a multiplatform multi-purpose desktop calculator.
Compare Qalculate! to fxSolver or Strapi:
