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Work · September 16, 2018

ProtoPie 3.9

Easiest prototyping tool. More powerful than ever.

ProtoPie 3.9 launched on September 16, 2018 with 300 votes, #44 of 2,635 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.

Visit protopie.io ↗ProtoPie 3.9 alternativestop 2% of September 2018

In plain words

ProtoPie 3.9 is an interactive prototyping tool that enables designers to create realistic prototypes of their ideas. The latest version introduces formulas, variables, native and physical keyboard support, incremental movements, and touch hints. It works with Android and iOS projects, allowing designers to build functional prototypes that feel like real applications without extensive coding.

written from the facts on this page · September 2026

From the sources

ProtoPie 3.9 is here! 🎉 Meaning that ProtoPie is now more powerful than ever! ProtoPie 3.9 its key features include: ✅ Formulas ✅ Variables ✅ Native and physical keyboards ✅ Incremental movements ✅ Touch Hint What is ProtoPie? ProtoPie is a highly interactive prototyping tool for designers to turn their ideas into prototypes that feel real.

Use AI to generate interactions, perfect them credit-free, and hand off clean specs.

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Source: Product Hunt launch ↗

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