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Diagram Smith vs Zenn

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Diagram Smith compared with Zenn
DetailDiagram Smith logo Diagram SmithZenn logo Zenn
What it doesFree online tools for flowcharts, charts, diagrams and timelines with no sign-up AI logo maker and brand kits for small business
StageNot given Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFreemium Freemium
PricingFree: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included). Basic logo: $20 one-off. Premium logo: $65 one-off. Brand kit: $96 a year.
Key features
  • Flowchart and process diagram maker with canvas and text-to-diagram modes
  • Text-to-diagram tools for UML, ER and sequence diagrams
  • Chart tools: pie chart, line graph, gauge and Sankey diagram
  • Automatic diagram layout from typed text
  • Export to PNG, SVG and PDF without watermark
  • Share diagrams with share links
  • Pro: editable .drawio export and vector PDF
  • Pro: multi-page documents and layers
  • Diagram checks for unlabelled branches and dead ends
  • Works on phone and computer
  • Generate dozens of hand-drawn logo designs in seconds
  • 150+ brand kit designs including business cards, letterheads and email signatures
  • Social media kit with posts, stories and covers for every platform
  • Customizable colors and fonts chosen for your industry
  • Brand guide with design usage instructions
  • Multiple file formats including PNG, SVG, PDF and EPS
  • Upload existing logo to build brand kit around it
  • Support for more than 1,100 business industries
  • Available in 11 languages
  • Change colors, fonts and text then download again
What makes it different
  • Completely free with no account required and no watermark on exports
  • Nothing uploaded: all work stays on your device in your browser
  • Results computed by the same tested code, not manually typed
  • Multiple export formats: PNG at 4 sizes, SVG and PDF
  • Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
  • Free to design and preview; pay only when downloading
  • Hand-drawn marks and templates from the Zenn studio, not AI-generated
  • Complete in about five minutes from business name to finished brand
  • Full ownership of logo and designs after purchase
  • Includes 15-page brand guide PDF for every kit
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check15 no change since last check
Trust Flow (Majestic)01
Citation Flow (Majestic)1919
Referring domains (Majestic)463

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