This project simulates an automatic logout after 5 seconds of inactivity in the prototype.

This is an interactive dial pad, created with proto.io. Development & original idea: https://spaces.proto.io/akisioannou Graphic design: George Prentzas

Smart Menu is a smartphone app that allows students to create their own health goals and uses those goals to find healthy restaurants and food options nearby. Smart Menu collates menu data from the restaurants and individual reviews from students. This data plus the health goals allow the app to help students find healthy eating options.

An as close as possible copy of the IFTTT onboarding experience. This prototype is also made in 4 other tools (Pixate, Origami, Framer & Form) to compare the differences between them. More info: http://medium.com/sketch-app-sources/five-app-prototyping-tools-compared-form-framer-origami-pixate-proto-io-c2acc9062c61 Original app: http://appstore.com/IFbyIFTTT

This one-screen prototype demonstrates some of Proto.io animation functionality.

Finding language learning resources can be a time-consuming hassle. This app makes your search easier by exposing you to well-designed resources. Save the ones that strike your fancy and dabble, or get the app to arrange them into a structured, daily study schedule for you. Then track and share your progress. It's that simple. You can share your progress

Proto.io comes with UI libraries for iOS, Android Material Design, Windows and Apple WatchOS so that people can easily drag and drop those elements to bring their ideas to life. Simple interactions can also be applied, primarily screen-linking and basic navigation.

This is an expand/collapse menu example that can be created using container states.