Proto.io is a Prototyping tool for Web. It costs about $288 a year, and a free tier is available. It rates 4.6 out of 5 across 20 reviews.
Features and pricing
| Category | Prototyping |
|---|---|
| Usage | 63 |
| Review Average | 4.6 |
| Review Numbers | 20 |
| Platform | Web |
| Cost | 288 |
| Free | Yes |
| Design | Can create designs from scratch |
| Import | Sketch, Photoshop, Drop Box |
| Animations | Can animate objects |
| Transitions | Can animate between screens |
| Data | Only static text supported |
| Code | No coding functionality |
| Inputs | Dynamic text inputs |
| Variables | Variables not supported |
| Sharing | Web, IOS, Android, Html |
| Handoff | No developer handoff |
| Sensors | No device sensors |
| Gamepad | Can't detect gamepad input |
| Voice | No voice support |
| Tasks | No guided tasks |
| Analytics | No supported analytics |
| Heatmap | No heatmap support |