Principle vs Visily
Principle
principle.app
Visily
visily.aiSide by side
| Figure | Principle | Visily |
|---|---|---|
| Price from | $99/mo | $14/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 4 | 4 |
| Spec score · Prototyping tools | 7.9 (#17) | 8.7 (#9) |
| Spec score · Web Design Software | 7.9 (#26) | 8.1 (#20) |
| Spec score · UI design tools | 7.8 (#26) | 8.1 (#21) |
| Spec score · Prototyping Software | 7.9 (#22) | 8.1 (#19) |
| Spec score · UI/UX Design Tools | 7.9 (#20) | 8.1 (#19) |
| Spec score · Ui Ux Designing Software | 7.9 (#17) | 8.0 (#15) |
| Spec score · Game UI Design Software | 7.8 (#26) | 8.0 (#21) |
| Free plan | No | Yes |
| Purpose | Principle is a tool for designing animated and interactive user interfaces for web, mobile, and desktop. | Visily is an AI-powered UI design tool for non-designers that supports app mockups and product design. |
| Support | The maker says Principle is a one-person company and that replies to messages may take at least a week; help is also available through its community forum and documentation. | Visily lists [email protected] as a support contact. |
Plans
Principle
- Principle license$129 a month
- License renewal$99 a month
- License renewal$99, paid once
- Principle license$129, paid once
In their own words
Visily
Visily is an AI-powered UI design tool for people creating app mockups and product designs without being designers. It generates designs from text, converts screenshots into editable designs, and turns diagrams into screens. Real-time multi-user editing lets collaborators work on the same interface. More than 1,500 customizable templates cover mobile apps, web apps, websites, wireframes, and diagrams. Visily runs entirely in a browser, while its screenshot extension for Chrome, Edge, and Firefox converts captures into editable wireframes. A Figma plugin exports designs for further refinement, and integrations include Notion, Jira, Slack, and MCP. Slack can show link previews, comment notifications, and board updates. MCP connects designs with coding agents and is available on Pro, Business, and Enterprise plans. Starter is free at free, Pro costs $14 a month, and Business costs $29 a month billed annually. Enterprise pricing is custom.