| What it does | Simple, sketch-style diagrams on your Mac
| See why colors work
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| Stage | Not given
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| Founded | Not given
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| Based in | AU
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| Pricing model | Freemium
| Freemium
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| 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: Original view, Temperature map, Value structure, Saturation map, Palette and Harmony for every image, 20 analyses at a time. Lifetime Premium: one-time purchase includes Composition guides, Contrast map, tinted value bands, unlimited history, full-res export. No subscription.
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| 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
| - Palette with proportions showing dominant colors sized by image weight
- Color harmony identification (Complementary, Analogous, Triadic, Split-complementary, Tetradic, Square, Monochromatic)
- Temperature map showing warm and cool distribution across image
- Value structure divided into clear zones (light, mid-tone, dark)
- Saturation map showing vivid and muted areas
- Composition guides identifying classic guides like golden ratio and rule of thirds
- Contrast map showing where the eye lands first (Premium)
- Painter-friendly color names (Yellow Ochre, Payne's Gray, etc.)
- Local device processing with no image uploads
- Works offline with no account required
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| 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
| - Shows color proportions, not just colors, recognizing that a 60/5 split is fundamentally different from 50/50
- Four layers of analysis together show relationships single layers cannot reveal
- Built by people who actually mix paint with painter-friendly vocabulary
- Lifetime Premium with single payment, no subscription model
- All data stays on device, no account signup required
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 31 ● no change since last check | 8 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 14 | 4 |
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| Citation Flow (Majestic) | 33 | 32 |
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| Referring domains (Majestic) | 177 | 31 |
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SimpleDiagrams
Undertone