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SimpleDiagrams vs ChartKit

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 ChartKit
DetailSimpleDiagrams logo SimpleDiagramsChartKit logo ChartKit
What it doesSimple, sketch-style diagrams on your Mac Think-cell-style charts and AI for Google Workspace
StageNot given Not given
FoundedNot given Not given
Based inAU DK
Pricing modelFreemium Freemium
PricingDesktop: 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, 10 charts per month. Pro: €10/month (billed monthly) or €80/year. Enterprise: custom pricing per seat.
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
  • Waterfall, Mekko, Gantt, and other advanced chart types
  • Charts linked to Google Sheets that auto-update
  • AI Chat and writing pill using your own Claude or ChatGPT
  • Claude connector to insert charts from claude.ai
  • Deck checks for off-brand colors, wrong fonts, and conflicting numbers
  • Chart annotations including Delta, CAGR, level line, and axis break
  • Team palette and shared layouts for brand consistency
  • Slide library with approved slides searchable across team
  • Desktop app for Mac and Windows to build charts and export as PNG
  • Align, arrange, and distribute tools for slide layout
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
  • Think-cell-style charts in Google Slides—the only tool to bring advanced charting to Slides
  • Runs on your own Claude or ChatGPT, adding no model bill
  • Colleagues see charts without needing ChartKit installed
  • Numbers on slides stay linked to Sheets and refresh automatically
  • Data is never trained on; only decks you open are accessed
Community votes00
DR (Domain Rating by Ahrefs)31 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)143
Citation Flow (Majestic)3310
Referring domains (Majestic)1773

6 details filled in for both companies.

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