Prototype and test your mobile apps

Validate your app design early on

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Pre-built UI kits
for iOS and Android prototyping

Speed up your design process using our handy collection of native iOS and Android UI elements. Discover buttons, menus, tabs, title bars, and other UI components that fit perfectly into your Android and iPhone wireframes. All items can be edited and resized.
Justinmind UI kits for mobile app prototyping

Test your Android and iOS wireframes on any device

Simulate your wireframe and experience it on a real device. Use our mobile app to view and test your wireframes live from any iPhone, iPad or Android device. It will look, work and feel just like the real thing.

Mobile gestures and transitions

Choose from a full set of gestures that allow you to rotate, tap, swipe, scroll and pinch your way through your mobile app prototype. Add super-smooth transitions and get the most realistic and complete experience ever.

Integrate with Sketch and Photoshop

Link images to Justinmind from any design tool and they will be automatically updated whenever remote files are modified. You can also import images directly from your web browser and turn them into engaging interactive wireframes with our hotspot tool.
"Our team uses Justinmind to share ideas, collaborate, test assumptions, and prototype multiple design concepts for our web and mobile applications"
Randi Boyd
Principal, UX director at Ink Cloud Group
"With the ability to create prototypes across different screen sizes and devices, we are able to validate hypotheses prior to creative design and build."
Chris Murray
VP/Director, User Experience at Digitas Healther

Prototype mobile apps that look and feel like the real deal

Create your own ui libraries
Design your own widgets and create custom libraries to store, share and reuse them.
Mobile emulators
Experience your prototype on a real device to ensure full functionality and usability.
Conditional flows
Share data between different screens in your data-driven prototypes, and store any kind of information during simulation.
Generate documentation
Export to specifications documents along with the visuals needed for interpretation.
Design hand-off for developers
Optimize designer-developer communication by giving developers access to everything they need.
Share & get feedback
A single click lets you publish your prototypes and invite all project stakeholders to give feedback early on.

All-in-one prototyping tool for web and mobile apps

Try the most powerful application prototyping platform

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Design memorable mobile experiences

View examples