SimpleDiagrams vs Aircad

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

SimpleDiagrams compared with Aircad
Detail	SimpleDiagrams	Aircad
What it does	Simple, sketch-style diagrams on your Mac	Precision 2D drafting and 3D modeling with multiplayer editing and AI
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	US
Pricing model	Freemium	Freemium
Pricing	Desktop: one-time purchase via Mac App Store. Cloud (coming soon): Beginner $19/month (5 diagrams, 1 author seat, 10,000 updates/month), Pro $90/month (50 diagrams, 5 author seats, 500,000 updates/month), Enterprise $250/month (250 diagrams, 25 author seats, 5,000,000 updates/month). All Cloud plans	Free: $0 forever, includes 3 personal files, 3 DWG/DXF conversions monthly, 30 days version history, and 200 AI credits. Pro: $19/month or $190/year (Founder's Club pricing for new accounts until January 31, 2027; standard $29/month or $290/year), includes unlimited files, full version history, and
Key features	Hand-drawn sketch style for flowcharts and diagrams Free shape libraries for AWS, Google Cloud, networks, energy and more Offline-first desktop app with one-time purchase AI agent integration for automatic diagram generation AWS Networking & Content Delivery shapes (22 shapes) Google Cloud shape library (42 shapes) Energy shapes library (batteries, solar panels, power plants) 7-day free trial	2D drafting with familiar tools (trim, extend, fillet, offset, hatches, blocks, layers) 3D solid modeling (booleans, fillets, lofts, sweeps, push/pull) Real-time multiplayer editing with live cursors Complete version history with change tracking and restore DWG and DXF import/export with layouts, blocks, dimensions AI agent that drafts, models, renders based on plain language Collaborative commenting and review pinned to drawings GD&T and geometric dimensioning annotations Layouts with viewports, print preview, PDF export JavaScript scripting API for custom commands
What makes it different	Hand-drawn aesthetic that looks intentional, not generic Works offline with one-time purchase, no subscription required Free, open-source AI skills for automatic diagram generation Specialized shape libraries for cloud architecture, networks and domain-specific work	Native browser-based CAD with no installation required, always on latest version Unified 2D and 3D workspace with familiar AutoCAD commands and shortcuts AI agent that understands design intent and applies changes as drafts for approval Handles large models with 250,000+ entities while maintaining performance Free viewers and reviewers with paid team model scaling by editors only
Community votes	0	0
DR (Domain Rating by Ahrefs)	35 +3 (up) since last check	14 +4 (up) since last check
Trust Flow (Majestic)	14	0
Citation Flow (Majestic)	33	14
Referring domains (Majestic)	177	10

6 details filled in for both companies.

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