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Cosmic JS vs Umbraco Heartcore Comparison

Last updated:

Cosmic JS

Starting at Contact for pricing

  • Free Trial
  • Freelancers / Consultants
  • Large Enterprises

Cosmic JS is headless CMS software that makes it easy to build and maintain a content-driven website in minutes. Simply create content once, and use Cosmic JS to organize and display this content across all of pages, sma…

Umbraco Heartcore

Starting at Contact for pricing

  • Freelancers / Consultants
  • Large Enterprises

Heartcore is a headless CMS built on the Umbraco platform; able to pull and display content from any source using the built-in ORM. Heartcore’s business layer allows to use a top down approach to master data management,…

SpotSaaS Analysis

Cosmic JSUmbraco Heartcore

The core difference is that Cosmic JS focuses on simple, code-free content management for multi-device distribution, making it ideal for small to medium businesses that require straightforward content handling. In contrast, Umbraco Heartcore is tailored for users who need a more robust, customizable content management solution, appealing to organizations with specific development needs.

- Best for simple, code-free multi-device content management - Ideal for small to medium businesses - Enables real-time editing of HTML, CSS, and JavaScript - Suitable for teams with frontend developers or content managers - Facilitates content distribution across websites and mobile apps - No coding required for content management

- Offers a customizable content management solution - Ideal for organizations with specific development needs - Supports complex content workflows - Suitable for larger teams with technical expertise - Integrates well with various development environments - Flexible and scalable for growing businesses

Cosmic JS vs Umbraco Heartcore — at a glance

FeatureCosmic JSUmbraco Heartcore
Rating
Reviews
Starting priceContact for pricingContact for pricing
Free trial Yes No
Free version No No
Best forFreelancers / Consultants, Large Enterprises, Medium BusinessFreelancers / Consultants, Large Enterprises, Medium Business
CategoryHeadless CMS SoftwareHeadless CMS Software
PlatformsSaaS/Web/CloudSaaS/Web/Cloud
APIAvailableAvailable
Support modesOnlineOnline
CertificationsGDPRGDPR
Data residencyGlobalGlobal

Key differences between Cosmic JS and Umbraco Heartcore

  • Free trial: Cosmic JS offers a free trial; Umbraco Heartcore does not.
  • Deployment: Cosmic JS supports SaaS/Web/Cloud; Umbraco Heartcore supports SaaS/Web/Cloud.

Cosmic JS vs Umbraco Heartcore — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Headless CMS Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Cosmic JS - Headless CMS Software
Talk to an expert
Talk to an expert
Umbraco Heartcore - Headless CMS Software
Talk to an expert
Talk to an expert

Biggest differences

Start here before you go deeper into features.

Cosmic JS

Best for simple, code-free multi-device content management and live front-end editing.

Choose if
  • You need to manage and distribute content across websites, mobile apps, and devices without coding.
  • Your team includes frontend developers or content managers who want real-time HTML, CSS, and JavaScript editing in-browser.
  • You prefer a low-complexity, streamlined setup for small to medium business content-driven projects.
Consider alternatives if
  • Your organization requires advanced enterprise-grade workflow, governance, or marketing automation features.
  • You need transparent, predictable pricing and detailed enterprise feature information before committing.

Umbraco Heartcore

Best for

Freelancers / Consultants, Large Enterprises, Medium Business

Cosmic JS typically suits Freelancers / Consultants and Large Enterprises. Umbraco Heartcore tends to fit Freelancers / Consultants and Large Enterprises better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

Cosmic JS is headless CMS software that makes it easy to build and maintain a content-driven website in minutes. Simply create content once, and use Cosmic JS to organize and display this ... Read More about Cosmic JS

Heartcore is a headless CMS built on the Umbraco platform; able to pull and display content from any source using the built-in ORM. Heartcore’s business layer allows to use a top down ... Read More about Umbraco Heartcore

Free Trial Availability

  • No free trial

Spotsaas Score

What's this? ↗

8.3/10

8.1/10

Best Company Size

Small BusinessMedium Business
Get pricing help
Get pricing help

Software Demo

Demo

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Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

How do Cosmic JS and Umbraco Heartcore Compare on Features?

Total Features

8 Features

8 Features

Unique Features

No unique features

No unique features

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Get Quote

Compare Cosmic JS and Umbraco Heartcore on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Other Details

Organization Types supported

  • Individuals
  • Freelancers
  • Large Enterprises
  • Medium Business
  • Small Business
  • Individuals
  • Freelancers
  • Large Enterprises
  • Medium Business
  • Small Business

Platforms Supported

  • Browser Based (Cloud)
  • Installed - Windows
  • Installed - Mac
  • Mobile - Android
  • Mobile - iOS
  • Browser Based (Cloud)
  • Browser Based (Cloud)
  • Installed - Windows
  • Installed - Mac
  • Mobile - Android
  • Mobile - iOS
  • Browser Based (Cloud)

Modes of support

  • 24/7 (Live rep)
  • Business Hours
  • Online
  • 24/7 (Live rep)
  • Business Hours
  • Online

API Support

  • Available
  • Available
Get help choosing
Get help choosing

Security & Compliance

Certifications, data handling, and security controls for IT and compliance evaluators.

HIPAA

✗ No
✗ No

GDPR

✓ Yes
✓ Yes

Single Sign-On (SSO)

✓ Yes
✓ Yes

Data Encryption

✓ Yes
✓ Yes

Data Residency

🌐 Global
🌐 Global

Cosmic JS User Reviews & Rating Comparison

Spotsaas Editor’s POV generated by AI

Buyer sentiment

No user ratings or reviews available to summarize buyer sentiment.

What buyers like

  • Intuitive user interface
  • Real-time editing
  • No custom code required

Common complaints

  • Limited advanced features
  • Dependency on internet connection
  • May lack scalability for large sites

What buyers like

  • Built on Umbraco platform
  • Flexible content management
  • ORM support

Common complaints

  • Requires technical knowledge
  • Limited support for non-technical users
  • Performance issues with large datasets

Pros and Cons

  • Real-time editing of HTML, CSS, and JavaScript in browser

  • Intuitive and sleek user interface

  • No need for custom code to distribute content across devices

  • Lack of publicly available pricing details

  • Limited information on advanced enterprise features

  • Built on the Umbraco platform, ensuring reliability.

  • Flexible content management supports various use cases.

  • Top-down data management simplifies complex data structures.

  • Technical knowledge is required for setup and maintenance.

  • Limited support options for non-technical users.

List of Customers

Customers

HypoMeter Technologies

HypoMeter Technologies

Big Fish

Big Fish

Yum

Yum

No Customers information available.

Media and Screenshots

Screenshots

Cosmic JS screenshot

6 Screenshots

Umbraco Heartcore : Dashboard screenshot

4 Screenshots

Videos

video-0

3 Videos

video-0

3 Videos

Top Alternatives to Cosmic JS and Umbraco Heartcore in 2026

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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

Frequently asked questions

Which is better, Cosmic JS or Umbraco Heartcore?
Cosmic JS and Umbraco Heartcore are closely matched with equal user ratings of -1.0. The right choice depends on your team size, budget, and specific Headless CMS Software needs.
Do Cosmic JS and Umbraco Heartcore offer a free trial?
Cosmic JS offers a free trial. Umbraco Heartcore does not.
What is the starting price of Cosmic JS vs Umbraco Heartcore?
Cosmic JS starts at Contact for pricing. Umbraco Heartcore starts at Contact for pricing.
What are the top alternatives to Cosmic JS?
Top alternatives to Cosmic JS include Contentstack, Scrivito, Cloud CMS, GraphCMS, Directus.
What are the top alternatives to Umbraco Heartcore?
Top alternatives to Umbraco Heartcore include Contentful, Contentstack, Cloud CMS, Directus, Comfortable.

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