Proto.io

Website
Prototyping for all
Proto.io lets you create high fidelity prototypes without writing any code. You can drag & drop existing screens from your Sketch or Photoshop files, add animations and transitions, text, gestures, hotspots, links to external websites, and more.

Design Features

Free Tier without any time limit Yes
Pricing One-year cost for a paid plan $288
Offline Can be used without internet No Offline use not possible
Collaboration Simultaneous editing Yes Real-time
Handoff Specifications for developers No No handoff specs
Pen Tool No No pen tool
Frames/Artboards Several can be shown simultaneously Yes Multiple in the same project
Components/Symbols Reusable project element No No components or symbols
Responsiveness Layouts can be responsive No No responsive layouts
Prototyping Yes Can make prototypes
Version Control Show version history Yes View file version history
Export
pngpdfhtml
pngpdfhtml
Sharing Access to live version
Platform Web

Prototyping Features

Free Tier without any time limit Yes
Pricing One-year cost for a paid plan $288
Offline Can be used without internet No Offline use not possible
Design Capability Yes Can make designs
Collaboration Simultaneous editing Yes Real-time
Handoff Specifications for developers No No handoff specs
Import From other apps Import
Animation Reusable project element Yes Can animate elements
Code Needed to prototype No No coding required
Data Populate elements with external data No Static text
Version Control Show version history Yes View file version history
Video Video content can be added Yes Can embed videos
Steps Usability testing questions No No guided steps
Analytics Event tracking while testing No No analytics
Heatmap Heatmap tracking while testing No No heatmaps
Sharing Access to live version
Platform Web

Proto.io Comparisons

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Proto.io Alternatives

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