POP helps you make interactive prototype with ease. If you can draw, you can design apps. The workflow is ridiculously simple:
Cost / License
- Free
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad



Marvel is described as 'The design platform for wireframing, prototyping, and generating design specs online, integrating smoothly via API with millions of assets available' and is a Prototyping tool in the development category. There are more than 50 alternatives to Marvel for a variety of platforms, including Web-based, Mac, Windows, Linux and iPhone apps. The best Marvel alternative is Figma, which is free. Other great apps like Marvel are Penpot Desktop, Napkins.dev, Frame0 and Balsamiq Wireframes.
POP helps you make interactive prototype with ease. If you can draw, you can design apps. The workflow is ridiculously simple:



Napkee makes your Balsamiq Mockups come alive. Import a BMML and export to web or flex code in a few clicks.

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.



Create fully-interactive high-fidelity prototypes that look and work exactly like your app should. No coding required. Companies like IDEO, Disney, Paypal, Airbnb and more use Proto.io.



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




How great apps are made - PandaSuite makes it easy to create highly interactive content (iOS, Android, HTML5) and publish it where it matters.




The newest design tool from the leaders in UX, Indigo Studio lets you quickly and simply explore and create functional, animated UI prototypes while maintaining the focus on user experience at every step.


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...

FlairBuilder is a user interface prototyping tool for easy authoring of interactive website wireframes, mockups and GUI prototypes.

Automatically connects to your Photoshop document and converts your mockups into interactive prototypes using layer comps to organize your documents into screens. Transition between them by defining hotspots in the layer name you want to be tappable.



HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables. Create and share fully interactive prototypes with your team and clients and gather feedback on the process.



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...



