Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive drag-and-drop interface. No code involved.




Quant-UX is described as 'Integrated Prototyping and Analytics software. It allows you to design, test and analyze interaction prototypes' and is a Wireframing tool in the photos & graphics category. There are more than 10 alternatives to Quant-UX for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best Quant-UX alternative is Penpot, which is both free and Open Source. Other great apps like Quant-UX are Figma, Frame0, Balsamiq Wireframes and Wireflow.
Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive drag-and-drop interface. No code involved.




MockFlow accelerates early-stage product design and ideation with AI-powered wireframing, prototyping, and visual brainstorming. WireframePro and IdeaBoard enable teams to collaboratively transform initial concepts into professional, shareable wireframes and diagrams.




UXPin is a web-based system for managing design documents like wireframes, sitemaps, persona descriptions or flowcharts. It lets you upload image files, invite teammates to review and comment on them, and keep track of revisions.



Pixate generates 100% native prototypes, so you can experience your ideas on device as if they’re completely real.




Work your way up from a blank canvas, or pull in designs from Photoshop or Sketch. Lay out your states and instantly animate between them, without coding a thing. Share your prototypes with anyone or view on any device via a humble...

Design your software or website mockups within minutes. Mockup Builder is a new look to solve old problem with prototyping and sharing sketches with customers. This startup was built to solve developer’s needs in product that can help to make it better communication tool between...




SureFeedback, previously ProjectHubble, is a platform for creating effective web content. It includes features like an AI assistant, document editor, command library, and more. It improves client communication by efficiently collecting and managing live feedback.



Fluid UI is the fastest mobile app prototyping tool available. Design and test your low and high fidelity app mockups on a mobile device with ease. Simple and UX oriented, this UI tool helps unlock creativity and will save your team time and money while gathering app...




EaSynth ForeUI is an easy-to-use UI prototyping tool. You can use ForeUI to create skinnable prototype of software or website, and run the interactive simulation in your web browser. You can switch the UI theme of the prototype, thus the fidelity will be changed as well.



Upload your designs,mockups or wireframes and organize them in projects. Share them with friends, colleagues and clients to get point specific Feedback. Giving Design Feedback is easy possible without any registration by your customers.
Rapid app prototyping with a user-generated library of components. No design skills needed.



