Proto.io is described as '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' and is a Wireframing tool in the development category. There are more than 25 alternatives to Proto.io, not only websites but also apps for a variety of platforms, including Mac, Windows, SaaS and Self-Hosted apps. The best Proto.io alternative is Napkins.dev, which is both free and Open Source. Other great sites and apps similar to Proto.io are Frame0, Balsamiq Wireframes, Wireflow and InVision.
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...
United Kingdom
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.
Germany
EU
SavahApp is a collaborative platform that streamlines feedback right to your design screen that allows designers to create high-fidelity prototypes for web and mobile apps without writing a single line of code.
United States
Specfox is the first tool to address the tedious process of writing website specifications, which is often frustrating and time-consuming. You shouldn't be spending hours trying to explain developers design features and creating ugly descriptions in software which was not...
United States
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...
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.
India
ProtoShare is a web-based, collaborative wireframing and prototyping tool. It hosts a WYSIWYG drag-and-drop interface, as well as advanced components users can customize.
United States
Xiffe is an ideal platform for creating interactive prototypes for your mobile apps in a jiffy. It lets you drag-drop native controls for iOS, Android and Windows Phone (and tablet) apps and create interactive prototypes.
Local-first desktop tool for creating and editing design sketches using .wiremagic files, supporting flowcharts, Balsamiq BMPR import, fast wireframe generation, full control on macOS and Windows, built-in AI help, export options, and browser-based sharing.
United States
AppDemoStore is a web platform for creating and sharing interactive demos and guided tutorials for mobile apps.
United States
Markly is a measure and design spec plugin/extension for Photoshop & Sketch. It is made for modern web designers & app front-end developers. You can add specification marks by simple clicking and dragging.
China
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.
