Proto.io is described as 'Create fully-interactive high-fidelity prototypes that look and work exactly like your app should. No coding required. Companies like IDEO, Disney, Paypal, Airbnb and more use Proto.io' and is an website in the Development category. There are more than 25 alternatives to Proto.io, not only websites but also apps for a variety of platforms, including Mac, Windows, SaaS and Linux. The best alternative is Adobe XD. It's not free, so if you're looking for a free alternative, you could try InVision or Marvel. Other great sites and apps similar to Proto.io are Balsamiq Wireframes (Paid), STUDIO (Freemium), Wireflow (Free, Open Source) and Presentator.io (Free, Open Source).
We believe the screen is the most important place in the world. That’s why we are dedicated to helping you deliver the best possible digital product experience, with our platform and best practices from your peers.
Flinto for Mac is a comprehensive app prototyping tool that allows you to create anything from simple tap-through prototypes, to comprehensive prototypes with impressive interactions. We’ve carefully designed Flinto for Mac to minimize complexity.
Inspect designs and export assets Open Sketch, Adobe XD, Adobe Photoshop and Figma designs on macOS, Windows, and Linux, or in the browser. Generate CSS, Swift & Android code from layers, export images, fonts, styles, pick colors, measure sizes, distances and more.