ProtoPie vs Zeplin
ProtoPie
The easiest interaction design tool for all digital products, allowing designers to build highly interactive prototypes
89 employees · est. 2014 · Seoul, Korea South
Zeplin
Deliver on the promise of design — Organize screens. Publish locked designs. Scale design systems. With the entire team
61 employees · est. 2014 · San Francisco, United States
Side-by-Side Comparison
| Metric | ProtoPie | Zeplin |
|---|---|---|
| Founded | ||
| Founded | 2014 | 2014 |
| Headquarters | ||
| Headquarters | Seoul, Korea South | San Francisco, United States |
| Employees | ||
| Employees | 89 | 61 |
| Industry | ||
| Industry | Design, SaaS | Design, Developer Tools, Mobile |
| Funding Stage | ||
| Funding Stage | Series B | Seed |
| Total Funding | ||
| Total Funding | $1.04B | $1.35M |
| Funding Rounds | ||
| Funding Rounds | 5 | 3 |
| Services | ||
| Services | Advanced Prototyping, Dynamic Interaction Design, User Experience Solutions, Motion Graphics for UX, High-Fidelity Prototyping | Design documentation, User flow mapping and organization, Version control and change tracking, Design system integration, Collaboration tools for product teams |
| Target Customers | ||
| Target Customers | Design Teams, UX Researchers, Product Designers, Automotive Design Professionals, Tech Startups in IoT and MedTech | Designers, Developers, Product Managers, UX/UI Teams, Enterprise-level product teams |
| Taxonomy | ||
| Taxonomy | Interaction DesignUI/UX PrototypingNo-Code PrototypingDigital Product DesignCross-Device InteractionHardware Integration +9 | Design SystemsProduct DeliveryDesign CollaborationUI/UX DesignMobile Application DevelopmentIOS Development +8 |
| Website | ||
| Website | protopie.io | zeplin.io |
About ProtoPie
ProtoPie is an innovative player in the Design and SaaS industries founded in 2014 and headquartered in Korea South. It distinguishes itself as "The easiest interaction design tool for all digital products", enabling designers to construct highly interactive prototypes without the need for coding. I...
About Zeplin
Zeplin, founded in 2014, is a Y Combinator-supported startup providing a pivotal platform that bridges the gap between design and development. Offering an organized workspace for publishing finalized designs, it enables seamless collaboration for teams aiming to deliver products faster and with fine...
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Compiled from the BounceWatch company index. We last looked at ProtoPie on 8 Jul 2026, and Zeplin on 30 Jun 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
