Use a variable to add the costs of premium features that are selected or deselected using an iOS switch component. See a video of how to do this step-by-step in this webinar: https://support.proto.io/hc/en-us/articles/115001585411-Model-advanced-prototypes-that-use-variables-part-II TAGS: variables variable math addition switch switches fire an items event

Infinite snap carousel for Credit Card Statements. Cards designs were used from Sketch from: https://www.sketchappsources.com/free-source/2453-credit-card-designs-sketch-freebie-resource.html

This Splash screen prototype shows a vector animation of a headphone made in After Effects. Use the Bodymovin plugin that exports a JSON file and can be dropped right into Proto.io.

Swipe up and down to choose between cards Credits: Card designs used from: https://www.sketchappsources.com/free-source/2453-credit-card-designs-sketch-freebie-resource.html

A simulation of a shopping cart project. Add remove products to a pre-set shopping cart (Use of variables and States)

show animaition (tap&scroll)