diagrams.net vs Mermaid Chart Comparison
diagrams.net
Starting at Contact for pricing
- Freelancers / Consultants
- Large Enterprises
diagrams.net is a diagramming software, providing a wide range of diagram types suitable for any project from document and flowcharts, to UML diagrams and website wireframes. It provides a WYSIWYG interface so user can d…
Mermaid Chart
Starting at $80.00 per user / year
- Free Trial
- Small Business
- Medium Business
Mermaid Chart is a diagramming tool that converts markdown-style text into charts, flowcharts, and other visual diagrams. It simplifies collaboration on design and process documentation, supports advanced security option…
diagrams.net leads on user satisfaction with a 3.6-star rating across 2 reviews.
diagrams.net vs Mermaid Chart — at a glance
| Feature | diagrams.net | Mermaid Chart |
|---|---|---|
| Rating | 3.6 / 5 | — |
| Reviews | 2 | — |
| Starting price | Contact for pricing | $80.00 per user / year |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Freelancers / Consultants, Large Enterprises, Medium Business | Small Business, Medium Business, Startups |
| Category | Diagramming Software | Diagramming Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | — |
| API | Available | — |
| Support modes | Business Hours, Online | |
| Certifications | GDPR | — |
| Data residency | Global | US |
Key differences between diagrams.net and Mermaid Chart
- Pricing: Mermaid Chart starts at $80.00 per user / year. diagrams.net pricing is not publicly listed.
- Free trial: Mermaid Chart offers a free trial; diagrams.net does not.
- Target audience: diagrams.net is built for Freelancers / Consultants and Large Enterprises, while Mermaid Chart targets Small Business and Medium Business.
diagrams.net vs Mermaid Chart — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Diagramming 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.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
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Biggest differences
Start here before you go deeper into features.
Best for versatile, easy-to-use diagramming across multiple platforms.
- You need a wide variety of diagram types including UML and wireframes.
- You want a simple WYSIWYG interface usable with mouse or touchscreen.
- You require cross-platform support on Mac, Windows, Linux, and iPad.
- Your team demands advanced real-time collaboration features.
- You need extensive enterprise-level support and onboarding services.
Small Business, Medium Business, Startups
diagrams.net typically suits Freelancers / Consultants and Large Enterprises. Mermaid Chart tends to fit Small Business and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | diagrams.net is a diagramming software, providing a wide range of diagram types suitable for any project from document and flowcharts, to UML diagrams and website wireframes. It provides a ... Read More about diagrams.net | Mermaid Chart is a diagramming tool that converts markdown-style text into charts, flowcharts, and other visual diagrams. It simplifies collaboration on design and process documentation, ... Read More about Mermaid Chart |
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Entry Level Pricing |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.5/10 | 8.3/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 1-50 employees51-500 employees | — |
Get pricing help | Get pricing help |
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How do diagrams.net and Mermaid Chart Compare on Features?
Total Features | 7 Features | 6 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare diagrams.net and Mermaid Chart 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.
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Pricing Page | Pricing information not available |  |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | — |
|---|---|---|
GDPR | ✓ Yes | — |
Single Sign-On (SSO) | ✗ No | — |
Multi-Factor Auth (MFA) | ✗ No | — |
Data Encryption | ✓ Yes | — |
Audit Logs | ✗ No | — |
Data Residency | 🌐 Global | 🇺🇸 US |
diagrams.net User Reviews & Rating Comparison
User Ratings | 3.6 (based on 2 reviews) | No reviews available for the product |
|---|---|---|
Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Limited user feedback with mixed ratings, indicating a modest user satisfaction level. What buyers like
Common complaints
| No expert review available for this product |
Pros and Cons |
| No pros or cons available for this product |
Media and Screenshots
Screenshots |  1 Screenshots |  3 Screenshots |
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Top Alternatives to diagrams.net and Mermaid Chart in 2026
Alternatives |
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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, diagrams.net or Mermaid Chart?
- diagrams.net edges out the other on user ratings (3.6 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do diagrams.net and Mermaid Chart offer a free trial?
- Mermaid Chart offers a free trial. diagrams.net does not.
- What is the starting price of diagrams.net vs Mermaid Chart?
- diagrams.net starts at Contact for pricing. Mermaid Chart starts at $80.00 per user / year.
- What are the top alternatives to diagrams.net?
- Top alternatives to diagrams.net include Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio.
- What are the top alternatives to Mermaid Chart?
- Top alternatives to Mermaid Chart include Sankey Flow Show, Microsoft Visio, Lucidchart, Cacoo, Creately.