Proto.io vs ProtoPie: ProtoPie's Interactions Are in a Different League

Proto.io and ProtoPie are both dedicated prototyping tools, but the gap between them has grown wide. Proto.io offers a browser-based prototyping environment that's easy to pick up. ProtoPie lets you build prototypes with sensor inputs, conditional logic, and device-level interactions that feel like real apps.

ProtoPie wins, and it's not close.

What Proto.io does well

Proto.io is straightforward. The browser-based editor means no downloads, and the drag-and-drop interface is approachable for beginners. You can build a clickable prototype with screen transitions, gestures, and basic animations quickly.

The built-in UI libraries save time. Proto.io ships with iOS, Android, and web component libraries, so you can assemble screens from pre-built elements without designing from scratch. For quick concept demos and early-stage wireframe prototypes, this speeds things up.

Proto.io also handles collaboration in the browser. Multiple stakeholders can comment, review, and test prototypes without installing anything. For teams that need lightweight prototyping with easy sharing, Proto.io covers the basics.

What ProtoPie does well

ProtoPie's interaction model is where everything changes. You can prototype tilt, sound, compass, camera, and multi-finger gestures. You can build conditional logic: if the user swipes right AND the toggle is on, show screen B. This isn't just linking screens together. It's programming interactions without code.

The multi-device prototyping is unique. You can build prototypes where a phone and a tablet communicate with each other in real time. Or where a watch and a phone interact. For IoT, automotive, or multi-screen experiences, nothing else comes close.

ProtoPie also imports from Figma and Sketch, so you're not rebuilding designs from scratch. Bring your screens in, add the interaction layer, and test on real devices through the ProtoPie Player app. The prototypes feel like actual products.

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Pricing

Proto.io: No free plan. Freelancer at $24/month, Startup at $40/month, Agency at $80/month.

ProtoPie: Free plan available. Basic at $13/month, Pro at $33/month, Team at $83/month.

ProtoPie is cheaper at every level and includes a free tier. Proto.io starts at $24/month with no free option. ProtoPie gives you more for less.

The honest split

Proto.io is the right choice for:

• Quick, basic prototypes that don't need advanced interactions
• Teams that want browser-based editing with no installs
• Early-stage wireframe demos using built-in UI libraries
• Stakeholder reviews where simplicity matters more than fidelity

ProtoPie is the right choice for:

• High-fidelity prototypes with realistic interactions
• Sensor-based prototyping (tilt, sound, camera)
• Multi-device experiences (phone + watch, tablet + kiosk)
• Product teams that need prototypes to feel like real apps

Start Prototyping with ProtoPie