Justinmind
Prototyping Software
Justinmind is a comprehensive prototyping platform that helps you transform your ideas into fully functional simulations for web and mobile apps. I
ProtoPie is a high-fidelity prototyping software that allows you to create realistic, interactive digital product experiences for mobile, desktop, web, and IoT devices without writing any code.
Main Demo Video
ProtoPie helps you bridge the gap between static designs and fully functional digital products. You can create high-fidelity prototypes that look and feel like the real thing by using sensors, variables, and conditional logic. Instead of just clicking through screens, you can build complex interactions like text input, camera usage, and multi-finger gestures. This allows you to test your ideas thoroughly before handing them off to developers.
You can easily import your existing assets from Figma, Adobe XD, or Sketch to start adding life to your designs. The platform is built for designers who need to demonstrate sophisticated user journeys across multiple devices simultaneously. Whether you are working on a mobile app, a web interface, or an automotive dashboard, you can validate your user experience with high precision and share it instantly with stakeholders for feedback.
Main dashboard with project overview
Kanban-style task management
Gantt chart timeline view
Workflow automation builder
Stop settling for basic click-through transitions. ProtoPie gives you the power to build logic-based interactions that respond to real-world inputs. You can create truly immersive experiences using these core capabilities:
Create dynamic interactions by setting specific conditions and variables that respond to your user's unique inputs.
Utilize your device's actual sensors like the gyroscope, compass, and microphone to build realistic mobile prototypes.
Connect multiple devices together to simulate complex ecosystems like a driver app communicating with a passenger app.
Sync your designs directly from Figma, Sketch, or Adobe XD while maintaining all your layers and structures.
Build voice-activated experiences using speech-to-text and text-to-speech features to test conversational UI designs.
Use math and logical formulas to calculate values on the fly, just like you would in a real application.
You can start building advanced prototypes for free to see how the logic-based workflow fits your needs. When you're ready to collaborate with a team or manage multiple projects, you can upgrade to a paid plan. Paid options start at $67 per editor per month, billed annually, providing unlimited prototypes and advanced interaction features.
Based on feedback from professional designers across various industries, here is what you should consider before integrating ProtoPie into your workflow:
Perfect for professional UX/UI designers and product teams (10-500+ people) who need to create realistic, logic-driven prototypes for complex digital products.
ProtoPie is the gold standard if you need to create prototypes that are indistinguishable from a finished product. It is particularly valuable if your work involves complex logic, hardware sensors, or multi-device communication that simpler tools like Figma cannot handle.
While the price point and learning curve are higher than entry-level tools, the ability to validate high-stakes interactions before development saves significant time and money. Highly recommended for professional designers in automotive, IoT, and advanced mobile app development.
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Main dashboard with project overview