
Contentful
Directus
Cosmic JS
Strapi
Sanity.io
DatoCMS
Storyblok
The Headless CMS that doesn't punish growth. Adapto CMS is a headless CMS with every feature at every tier — bundled Media CDN, i18n, unlimited custom collections, and more. No per-seat pricing. No add-on fees.

CodePen
replit
JSFiddle
GitHub
StackBlitz
VS Code
JS Bin
Online playground for React

Which is more popular?
Based on our record, CodeSandbox seems to be more popular. It has been mentioned 313 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | adaptocms.com | codesandbox.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Romania · 1 - 9 employees · 2026 | Startup from The Netherlands · 1 - 9 employees · 2017 |
| Listed in |
In their own words, as submitted to SaaSHub.


Adapto CMS is a framework-agnostic REST API headless CMS with bundled Media CDN, built-in i18n, and unlimited custom collections. Every feature ships on every plan — webhooks, localization, image optimization, custom roles — with flat-rate pricing that scales by usage, not headcount or feature...
No description of CodeSandbox yet.
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
Overall verdict
Why this product is good
Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Adapto CMS and CodeSandbox.
Adapto CMS's answer
Adapto CMS bundles content API, media CDN, image optimization, and localization into a single platform with flat-rate pricing. Every feature ships on every plan — including the free tier. There are no per-seat charges, no per-locale add-ons, and no feature gates. Most headless CMS platforms start cheap, then layer on costs for webhooks, localization, extra contributors, or media delivery. Adapto replaces that entire stack — CMS, CDN, image pipeline, and translation management — with one API, one dashboard, and one predictable invoice.
Adapto CMS's answer
Three reasons: pricing transparency, platform consolidation, and zero infrastructure overhead. Competitors like Contentful and Storyblok charge per seat, per locale, and gate features behind tiers — so your bill grows with your team size and feature needs, not just usage. With Adapto, a 20-person team pays the same as a solo developer on the same plan. The bundled Media CDN eliminates the need for separate Cloudinary or S3 contracts. And because Adapto is fully managed, there are no plugins to break, no version upgrades to manage, and no staging environments to maintain — unlike self-hosted options like Strapi or Payload.
Adapto CMS's answer
Developer-led teams building content-driven websites and applications with modern frontend frameworks — Astro, Next.js, Nuxt, SvelteKit, Remix. This includes freelance developers, small studios, startups, and agencies who need a production-grade headless CMS without enterprise sales calls or unpredictable invoices. Secondary audiences include non-technical content editors who benefit from the clean dashboard, and CTOs or technical leads evaluating CMS options where cost predictability matters.
Adapto CMS's answer
Adapto CMS was built by a team of developers who kept getting burned by the CMS platforms they were paying for. Renewal calls where the price doubled. Three or four vendors duct-taped together for content, media, and delivery. Features locked behind tiers the moment a project actually needed them. After years of building client projects on platforms that prioritized enterprise upsells over developer experience, the team decided to build the CMS they wished they could buy — one platform, one API, one price, with every feature included from day one.
Adapto CMS's answer
Adapto CMS is built on a modern cloud-native stack. The API layer delivers standard REST with JSON responses. Media delivery runs through a managed CDN with edge-based image transformation. The platform is framework-agnostic on the consumer side — any stack that can make HTTP requests and parse JSON works out of the box, with a TypeScript SDK available for teams that want type safety. The infrastructure is fully managed with automated scaling, redundancy, and a published 99.9% uptime SLA.
Adapto CMS's answer
Adapto CMS recently launched and is currently onboarding its first wave of users. As an early-stage product, we're focused on developers, freelancers, and small teams building production sites with modern frameworks. We'll update this section as our customer base grows.
Share your experience with using Adapto CMS 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.


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.


Tracking Adapto CMS since Apr 2026.
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 / 4 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 / 4 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 / 10 months ago
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