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CodeSandbox

Free, instant, collaborative sandboxes for rapid web development.

★★★★★ 5.0/5
FactScore™ 52.1
VS

MarsCode

FREE GPT4-Powered Cloud IDE & Extensions

FactScore™ 0

Updated February 2026

CodeSandbox MarsCode
Rating 5.0★ N/A
Reviews 10 0
Pros 8 0
FactScore™ 52.1 0

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
52.1
CodeSandbox FactScore™
★ CodeSandbox wins on FactScore™
—
MarsCode FactScore™

Pros & Cons

Only in CodeSandbox — Pros

Fast performance Sandpack library Browser-based development Code sharing Live code editing No setup required Open source Responsive support team

Both tools — Pros

—

Only in MarsCode — Pros

No unique pros listed

Only in CodeSandbox — Cons

Buggy Read-only limitations

Both tools — Cons

—

Only in MarsCode — Cons

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Details

CodeSandbox MarsCode
Categories Team collaboration software, Code editors, Cloud Computing Platforms Code editors, AI Coding Agents, Cloud Computing Platforms
Platforms Web Web
Became Popular June 12, 2017 May 29, 2024
Website codesandbox.io marscode.com

Who Should Pick Which?

Choose CodeSandbox if...

  • Fast performance
  • Sandpack library
  • Browser-based development

Choose MarsCode if...

  • No unique pros listed

With a FactScore™ of 52.1 vs 0, CodeSandbox leads in community reception. CodeSandbox uniquely offers Fast performance and Sandpack library, while MarsCode stands out for No unique pros listed.

3

What Users Say

CodeSandbox

C
Cameron Jun 2, 2024
★★★★★

The most crucial feature in Sketch2App is previewing and exporting the generated app and this wouldn't be possible without the Sandpack library recently launched by CodeSandbox team.

A
Anastasiia Sep 25, 2024
★★★★★

Live code, real fast! CodeSandbox powers our file uploader demos, giving users a seamless hands-on experience without setup hassle. Perfect for showcasing live examples 💻⚡

J
Junior Mar 28, 2025
★★★★★

Their SDK was key to powering our live previews and micro VMs, helped us move fast with a super responsive team behind it

MarsCode

No reviews yet

Frequently Asked Questions

Which is better, CodeSandbox or MarsCode?

Based on FactScore™, CodeSandbox leads with a score of 52.1 vs 0. CodeSandbox has a higher rating of 5.0★ compared to N/A★.

What are the pros of CodeSandbox compared to MarsCode?

CodeSandbox uniquely offers: Fast performance, Sandpack library, Browser-based development, Code sharing, Live code editing.

What are the pros of MarsCode compared to CodeSandbox?

MarsCode uniquely offers: No unique pros listed.

Is CodeSandbox better rated than MarsCode?

CodeSandbox is rated 5.0★ from 10 reviews. MarsCode is rated N/A★ from 0 reviews.

What is the FactScore™ of CodeSandbox and MarsCode?

FactScore™ weighs rating and review volume together. CodeSandbox scores 52.1 and MarsCode scores 0.

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