About this tool
Proto.io is a web tool for clickable, animated app prototypes with a large component library and timeline transitions.
It predates Figma's prototype panel and still suits teams that want device frames and interaction without a design-system file.
Details
| Attribute | Value |
|---|---|
| Category | Click-through |
| Prototype kinds | Click-through, Motion |
| Website | proto.io |
| Pricing | Paid plans; trial available |
| Added | 2026-08-17 |
| Last updated | 2026-08-17 |
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