Proto.io is a web-based, no-code prototyping tool: drag-and-drop editor with 250+ UI components, animations and transitions, screen-size testing, and import from Adobe XD/Figma/Sketch/Photoshop.
Starting around $24-29/month (flat rate). 15-day free trial.
UX designers and entrepreneurs wanting a straightforward, web-based prototyping tool with a large built-in component library, without a steep learning curve.
The 250+ built-in UI component library is a notable time-saver for quick prototyping, worth checking before importing components from another design tool for common UI patterns.
Build fully interactive, high-fidelity prototypes without writing code.