Proto.io Reviews in June 2026: User Ratings, Pros & Cons

"Proto.io is simple and featurefull tool for prototyping."

What do you like best about Proto.io? Proto is simple and doesn't require coding to create prototype. Proto allows to easily create prototypes for of quite complicated products and platforms (even iOS and Material Design interfaces). The service interface is comfortable and the prices are pretty good. Documentation is also great.

"Proto.io is simple and featurefull tool for prototyping."

What do you like best about Proto.io? Proto is simple and doesn't require coding to create prototype. Proto allows to easily create prototypes for of quite complicated products and platforms (even iOS and Material Design interfaces). The service interface is comfortable and the prices are pretty good. Documentation is also great.

"A touch of madness"

What do you like best about Proto.io? I think this really interesting and fascinating idea. The screens allow you to change to frequently used applications at will allows more creative and interested in this sort of thing to have fun and create their layout to your liking.

"Excellent and thorough advanced prototyping tool"

What do you like best about Proto.io? Proto.io can create cyclical and fully functioning prototypes that very closely mimic the real thing. If done well enough it can trick many people into believing it's a legitimate app and not just a web app. It uses Groups and Containers to create functioning animations/interactions within views and you can easily and quickly animate between states creating very nice animations. There are variables and functions that allow the creator to save data such ...

"easy way to prototype"

What do you like best about Proto.io? The easy way that you can create and share really fast all your mockupts and is dynamic and powerful too What do you dislike about Proto.io?

"Decent GUI tool for prototyping moderately-complex systems"

What do you like best about Proto.io? I really like that Proto provides a way to make graphically- and functionally-complex prototypes that can be viewed and tested easily across a variety of devices (Android, iOS, PC browser) without any substantial coding. I also really liked how easy it was to bring in graphically-realistic UI elements for mobile (keyboards, buttons, etc.) so the prototype mockups could be tested at a conceptual level, without testers getting distracted by unrealistic ...