A Sign up - Sign in page example project using Variables and States to validate the correct user input in both pages.

An extended collection of fully animatable UI libraries like triangles, stars, arrows and more, let you bring your idea to life all within Proto.io.

Created using Proto.io library of fully interactive, native watchOS components.

Using color adjustment and filters, I've simulated the iOS spotlight animation. Learn how you can apply these filters at https://proto.io/en/new-features/adjustments-filters/

Tinder UI cards

This is an example of a sign in screen that validates a username and a password. Feel free to import this fully editable project into your own account for use in your prototypes. Use the following to successfully sign in and proceed to the next screen User Name: john Password: proto.io

The project contains numerous examples completed using variables and conditional logic.

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 is a prototype of an app that pairs with a fitness track called Pulse Band. Pulse Band can count steps, measure heart rate, count stairs climbed, and also measure blood pressure.