Quickly create, share, and test mobile & tablet concepts with the highest fidelity.
So real you can’t tell it's just a prototype

Evaluate your app's UX across devices
Validate cross-device interactions early to discover edge cases. Reduce development errors for mobile and tablet apps.


Handoff without miscommunication
Drive efficient implementation with interaction recordings for developers. Save time & enhance design communication.



Convince stakeholders more efficiently
Help stakeholders understand and visualize ideas more easily. Leverage native device features and sensors in highly realistic mobile & tablet prototypes.
Powerful features for highest fidelity


Handoff recordings
Record interactions in your prototype to provide engineers with essential specifications, such as duration, delay, and easing, needed for development.

Multi-screen interactions
Prototype multi-device interactions, such as money transfers & messaging, for real-world scenarios across devices.

Native device sensors
Have access to device sensors to boost the realism of your prototypes, e.g., photo-taking & typing in forms.

Dynamic interactions
Create dynamic interactions such as validating email addresses, and animating objects with intricate motion, using logic, variables, and formulas.

Voice Assistant
Build your own voice assistant with 52 languages & variants. Anyone could interact with your prototype using voice.
Explore realistic mobile & tablet prototypes
Discover and experience real prototypes created by talented designers worldwide.

ProtoFit App
by Mickey Oh

Pinterest UX Challenge
by Joy Yeom

ProtoPie Logo Animation
by Liz Cho

IoS Calculator
by Eric Lee
© Copyright 2000-2025 COGITO SOFTWARE CO.,LTD. All rights reserved