SimpleDiagrams vs Thumbnailr

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 Thumbnailr
Detail	SimpleDiagrams	Thumbnailr
What it does	Simple, sketch-style diagrams on your Mac	Free YouTube thumbnail maker that runs in your browser, no sign-up or install required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	Not given
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 mode: £0/forever with full editor, 10 templates, Thumbnail Check, feed test, series mode (3 per batch), 1280×720 PNG & JPG export, no watermark. Pro mode: £4.99/month or £39.99/year (about £3.33/month), includes 16 premium templates, brand kit, unlimited series (up to 200 per ZIP), one-click ba
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	10 free templates including 5 gaming layouts Bold outlined text and face cut-outs Thumbnail Check design checklist Feed test preview in mock social feed 1280×720 PNG and JPG export with no watermark YouTube video link import Works on desktop and mobile browsers Pro: one-click background removal on device Pro: 4K export and brand kit with saved colors and fonts
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	No sign-up or installation required, works directly in browser All images and projects stay private on your device, never uploaded Completely free with no watermark and no time limits 13 original gaming layouts with dedicated gaming pack
Community votes	0	0
DR (Domain Rating by Ahrefs)	31 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	14	0
Citation Flow (Majestic)	33	0
Referring domains (Majestic)	177	0

5 details filled in for both companies.

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