Skip to content

Locknote vs OmniGraffle

Professional comparison and analysis to help you choose the right software solution for your needs.

Locknote icon
Locknote
OmniGraffle icon
OmniGraffle

Locknote vs OmniGraffle: The Verdict

⚡ Summary:

Locknote: Locknote is a free, open-source, encrypted notebook app for Windows, Mac, Linux, iOS and Android. It allows securely storing notes, tasks, passwords and more behind a master password.

OmniGraffle: OmniGraffle is a diagramming and graphic design application for macOS and iOS. It allows users to create everything from simple diagrams to complex illustrations and prototypes. OmniGraffle enables intuitive diagramming with customizable canvases, templates, stencils, and tools for drawing, connecting objects, and styling diagrams.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Locknote OmniGraffle
Sugggest Score — —
Category Security & Privacy Office & Productivity
Pricing Open Source —

Product Overview

Locknote
Locknote

Description: Locknote is a free, open-source, encrypted notebook app for Windows, Mac, Linux, iOS and Android. It allows securely storing notes, tasks, passwords and more behind a master password.

Type: software

Pricing: Open Source

OmniGraffle
OmniGraffle

Description: OmniGraffle is a diagramming and graphic design application for macOS and iOS. It allows users to create everything from simple diagrams to complex illustrations and prototypes. OmniGraffle enables intuitive diagramming with customizable canvases, templates, stencils, and tools for drawing, connecting objects, and styling diagrams.

Type: software

Key Features Comparison

Locknote
Locknote Features
  • Encrypted notes
  • Master password protection
  • Cross-platform availability
  • Note organization
  • To-do lists
  • Password storage
OmniGraffle
OmniGraffle Features
  • Vector drawing tools
  • Diagram templates
  • Stencils for flowcharts, web designs, electrical diagrams and more
  • Styling and formatting options
  • Multi-page documents
  • Collaboration and sharing capabilities
  • Export to PDF, PNG, JPG and other formats
  • Available for macOS and iOS

Pros & Cons Analysis

Locknote
Locknote

Pros

  • Free and open source
  • Strong encryption
  • Available on many platforms
  • Simple and easy to use
  • Syncs between devices
  • Active development

Cons

  • Limited features compared to paid options
  • No cloud sync (self-hosted only)
  • No collaboration tools
  • Basic interface
  • Lacks advanced organization
OmniGraffle
OmniGraffle

Pros

  • Powerful and flexible diagramming features
  • Intuitive and easy to use interface
  • Lots of templates, stencils and assets
  • Great for all types of diagrams and illustrations
  • Seamless experience across macOS and iOS

Cons

  • Fairly expensive compared to competitors
  • Limited cloud collaboration features
  • iOS version lacks some advanced features of macOS version

Pricing Comparison

Locknote
Locknote
  • Open Source
OmniGraffle
OmniGraffle
  • Not listed

Related Comparisons

Microsoft Office Visio
vs Locknote vs OmniGraffle
Encrypted Notepad
vs Locknote vs OmniGraffle
Crypto Notepad
vs Locknote vs OmniGraffle

Learn More About Each Product

Locknote
Locknote
Reviews, pricing & alternatives →
OmniGraffle
OmniGraffle
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

Locknote Alternatives
OmniGraffle Alternatives
Browse More Software