Proto.io Reviews in May 2025: User Ratings, Pros & Cons

"Cloud based Prototyping tool"

What do you like best about Proto.io? Strong prototyping capabilities of the platform not only you can design your prototypes with features available here, you can also build your interaction design with this tool. Being a cloud-based platform you can share your work easily with your remote teams to review or to edit it further - saves you time for using any third party sharing applications like Google Drive, Box, and OneDrive etc.

"Good looking mock-ups made easy"

What do you like best about Proto.io? I like the ease of use and the power of this tool. You can build detailed and complex workflows using the online editor and then present the mock-up on a mobile device as if it was a real standalone app. My customers were amazed.

"Really good app for mobile prototyping"

What do you like best about Proto.io? Really good app for mobile prototyping - comes with mobile widget library for android and iOS

"Extremely flexible. The sky is the limit"

What do you like best about Proto.io? I love the fact of how incredibly flexible it is. You can even program movements in a way. I even created a synced countdown timer that would work even when clicking to a new page!

"A lot of features and great for educational purposes and reviews"

What do you like best about Proto.io? The review that you can gete from clients, heatmaps and video replay. What do you dislike about Proto.io?

"its great"

What do you like best about Proto.io? the prototyping options available is great What do you dislike about Proto.io?

"Unlocks high fidelity but learning curve could be steep"

What do you like best about Proto.io? The ability to prototype detailed interactions is very advanced. Their library of existing controls is very helpful when putting the pieces together in a prototype. The ability to export the final prototype into html, css and js is very helpful and works very smoothly when you try to add them on websites as part of portfolios or want to depict the interaction on a promotional page.

"Advanced Prototyping Tool "

What do you like best about Proto.io? Proto.io allows you to make aesthetically appealing mobile prototypes that mimic the functionality of a real application. It also allows users to add details and animation to prototypes.

"Proto.io is a must!"

What do you like best about Proto.io? What I really like about Proto.io is how well made it is. Not only is it easy to use but the amount of detail you can put into your prototype is insane! Not to mention that they have an app where you can pull up your prototype on your phone! How cool is it that you can just take out your phone and show your friend the prototype of your next project.

"Made our app development a breeze!"

What do you like best about Proto.io? It's very easy to use and flexible for all of our needs. What do you dislike about Proto.io?