| What it does | Simple, sketch-style diagrams on your Mac
| Free speech bubble maker with 10+ styles, no signup or watermark
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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
| Free
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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
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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
| - 10+ bubble styles including Classic, Meme, Pixel, Anime, Thought, Shout, Whisper, Chat, Sketchy, Neon, and Round
- Export in PNG, JPG, WebP, or GIF formats
- Local image processing—images never uploaded to servers
- Fully touch-friendly editor works on iPhone, Android, and tablets
- Customize text with multiple fonts, sizes, and colors
- Drag and position bubble tails to point at speakers
- Transparent background support for PNG and WebP exports
- Animated GIF support preserves motion with bubbles on every frame
- Social preset export options for Instagram, Twitter, and Discord
- Create fake iMessage and Android text message screenshots
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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
| - Completely free with no Pro tier, paid upgrades, or watermarks
- No signup or software installation required—edit directly in browser
- Images never leave your device—all processing happens locally
- Commercial rights included—use finished images for YouTube, client work, products, and monetised content
- Full ownership—retains rights to all uploaded photos and finished designs
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 31 ● no change since last check | 39 ● no change since last check |
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| Trust Flow (Majestic) | 14 | 2 |
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| Citation Flow (Majestic) | 33 | 26 |
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| Referring domains (Majestic) | 177 | 42 |
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SimpleDiagrams
SpeechBubble Studio