SimpleDiagrams vs Skyelight

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 Skyelight
Detail	SimpleDiagrams	Skyelight
What it does	Simple, sketch-style diagrams on your Mac	Website feedback tool for teams and AI agents
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/month with 1 workspace, 1 project, 25 agent threads/month. Pro: $24/month (includes 1 paid seat, each extra $7/month or $9/month yearly) with unlimited projects and agent threads. Team: $49/month (includes 1 paid seat, each extra $12/month or $15/month yearly) with unlimited workspaces.
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	Annotate any page element with feedback Chrome extension for instant feedback Automatic feedback classification Screenshots captured with every pin Integration with AI agents via MCP Source code context with Skyelight Build Guest feedback without account Slack and Linear integrations REST API for custom integrations Accessibility checks on elements
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	Passes feedback directly to coding agents to implement fixes Captures browser errors and failed requests with each pin Works on any page without code changes Free reviewers and guest feedback on paid plans Automatically classifies feedback as bugs, ideas or feedback
Community votes	0	0
DR (Domain Rating by Ahrefs)	31 no change since last check	18 −1 (down) since last check
Trust Flow (Majestic)	14	7
Citation Flow (Majestic)	33	24
Referring domains (Majestic)	177	18

6 details filled in for both companies.

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