Diagrammar
Native Mermaid, PlantUML, D2 and Graphviz Diagram Viewer and Editor for Apple
1 ratings3.90
Saves1
CategoryDeveloper Tools
PlatformiOS
PricingFreemium
Diagrammar is a native app for iPhone, iPad, and Mac that renders and edits diagrams from Mermaid, PlantUML, D2, and Graphviz DOT code offline without a web view. It supports live preview, syntax highlighting, inline Markdown diagram rendering, and export to PNG/PDF. Viewing is free, with a pro upgrade unlocking editing and export features.
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CategoryDeveloper Tools
PlatformsiOS
PricingFreemium
AccountNot confirmed
ListedOctober 2026
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