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OmniGraffle vs Mermaid Chart Comparison

Last updated:

OmniGraffle

4.1(212 reviews)

Starting at $59.99 One-time

  • Medium Business
  • Small Business

Create beautiful images and diagrams with OmniGraffle. OmniGraffle takes the complexity out of creating stunning graphics with its simple and intuitive user interface. OmniGraffle allows to create professional quality gr…

Mermaid Chart

Starting at $80.00 per user / year

  • Free Trial
  • Small Business
  • Medium Business

Introducing Mermaid Chart, the ultimate visualization solution that goes beyond typical charts and graphs. With its tagline as "A Complete Visualization Tool," Mermaid Chart offers a seamless way to map out vital informa…

OmniGraffle leads on user satisfaction with a 4.1-star rating across 212 reviews.

OmniGraffle vs Mermaid Chart — at a glance

FeatureOmniGraffleMermaid Chart
Rating4.1 / 5
Reviews212
Starting price$59.99 One-time$80.00 per user / year
Free trial No Yes
Free version No No
Best forMedium Business, Small BusinessSmall Business, Medium Business, Startups
CategoryDiagramming SoftwareDiagramming Software
PlatformsMobile - iOS, Installed - Mac
API
Support modesBusiness Hours, Online
Data residencyUSUS

Key differences between OmniGraffle and Mermaid Chart

  • Pricing: OmniGraffle starts at $59.99 One-time, while Mermaid Chart starts at $80.00 per user / year.
  • Free trial: Mermaid Chart offers a free trial; OmniGraffle does not.
  • Target audience: OmniGraffle is built for Medium Business and Small Business, while Mermaid Chart targets Small Business and Medium Business.

OmniGraffle vs Mermaid Chart — 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 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.

OmniGraffle - Diagramming Software
Talk to an expert
Talk to an expert
Mermaid Chart
Talk to an expert
Talk to an expert

Biggest differences

Start here before you go deeper into features.

OmniGraffle

Best for professionals needing detailed, high-quality technical diagrams and wireframes.

Choose if
  • You require advanced technical illustration and wireframing capabilities.
  • You prefer a one-time license over subscription-based pricing.
  • You need rich built-in design elements and multi-format export options.
Consider alternatives if
  • You have a limited budget and need a more affordable solution.
  • You are a beginner seeking a very simple, minimal learning curve tool.

Mermaid Chart

Best for

Small Business, Medium Business, Startups

OmniGraffle typically suits Medium Business and Small Business. 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

Create beautiful images and diagrams with OmniGraffle. OmniGraffle takes the complexity out of creating stunning graphics with its simple and intuitive user interface. OmniGraffle allows to ... Read More about OmniGraffle

Introducing Mermaid Chart, the ultimate visualization solution that goes beyond typical charts and graphs. With its tagline as "A Complete Visualization Tool," Mermaid Chart offers a ... Read More about Mermaid Chart

Entry Level Pricing

  • Starts from $59.99
  • Starts from $80.00 , Billed Yearly

Free Trial Availability

  • No free trial

Spotsaas Score

What's this? ↗

8.9/10

8.3/10

User Ratings

Based on verified Spotsaas reviews

Best Company Size

Small BusinessMedium Business
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Get pricing help

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How do OmniGraffle and Mermaid Chart Compare on Features?

Total Features

8 Features

6 Features

Unique Features

No unique features

No unique features

Get Quote
Get Quote

Compare OmniGraffle 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.

Pricing Option

      Starting From

      • $59.99
      • $80.00 , Billed Yearly

      Pricing Plans

      • Not Available
      • Not Available

      Pricing Page

      OmniGraffle pricing
      Mermaid Chart pricing

      Other Details

      Organization Types supported

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

      Platforms Supported

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

      Modes of support

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

      API Support

      • Not Available
      • Not Available
      Get help choosing
      Get help choosing

      Security & Compliance

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

      Data Residency

      🇺🇸 US
      🇺🇸 US

      OmniGraffle User Reviews & Rating Comparison

      User Ratings

      No reviews available for the product

      Rating Distribution

      45

      42

      14

      1

      1

      No reviews available for this product

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Overall positive sentiment highlights OmniGraffle's powerful features and intuitive interface, tempered by concerns over price and performance on some devices.

      What buyers like

      • Ease of use
      • Rich design elements
      • File format support

      Common complaints

      • Pricing
      • Learning curve

      No expert review available for this product

      Pros and Cons

      • Intuitive and elegant user interface enabling quick learning

      • Rich library of built-in design elements and templates

      • Supports multiple file formats for easy sharing and exporting

      • Higher pricing compared to some alternatives

      • Steep learning curve for beginners due to complex interface

      No pros or cons available for this product

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      Media and Screenshots

      Screenshots

      Diagrams -MacOS

      2 Screenshots

      Teams

      3 Screenshots

      Top Alternatives to OmniGraffle and Mermaid Chart 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, OmniGraffle or Mermaid Chart?
      OmniGraffle edges out the other on user ratings (4.1 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do OmniGraffle and Mermaid Chart offer a free trial?
      Mermaid Chart offers a free trial. OmniGraffle does not.
      What is the starting price of OmniGraffle vs Mermaid Chart?
      OmniGraffle starts at $59.99 One-time. Mermaid Chart starts at $80.00 per user / year.
      What are the top alternatives to OmniGraffle?
      Top alternatives to OmniGraffle include Miro, FigJam, Sketch, SmartDraw, Gliffy.
      What are the top alternatives to Mermaid Chart?
      Top alternatives to Mermaid Chart include Sankey Flow Show, Microsoft Visio, Lucidchart, Cacoo, Creately.

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