Principle vs ProtoPie
A detailed comparison of Principle and ProtoPie in 2026. Compare pricing plans, features, and find out which design service is right for you.
Principle
Animated and interactive UI design tool for Mac
Principle is a design and creative service that provides animated and interactive ui design tool for mac. Founded in 2015 and headquartered in San Francisco, California, Principle offers 1 pricing plan. Contact Principle for pricing details. Key features include Animation design, Interactions, Auto transitions, Drivers. Principle is a popular choice for users looking for quality design subscriptions.
ProtoPie
Advanced prototyping tool for creating realistic interactions across devices
ProtoPie is a design and creative service that provides advanced prototyping tool for creating realistic interactions across devices. Founded in 2016 and headquartered in Seoul, South Korea, ProtoPie offers 3 pricing plans. It offers a free tier as well as paid plans starting from $11/month. Key features include Advanced prototyping, Multi-device, Sensors integration, Variables & logic. ProtoPie is a popular choice for users looking for quality design subscriptions.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Principle | ProtoPie |
|---|---|---|
| Starting Price | Contact sales | Free |
| Plans Available | 1 | 3 |
| Year Founded | 2015 | 2016 |
| Headquarters | San Francisco, California | Seoul, South Korea |
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import | ||
| Advanced prototyping | ||
| Multi-device | ||
| Sensors integration | ||
| Variables & logic | ||
| Handoff |
Pricing Comparison
Compare all available plans and pricing tiers
Principle Pricing
ProtoPie Pricing
Frequently Asked Questions
Is Principle or ProtoPie better in 2026?
Both Principle and ProtoPie are excellent design services. Principle offers Animation design and Interactions, while ProtoPie features Advanced prototyping and Multi-device. The best choice depends on your specific needs and budget.
How much does Principle cost compared to ProtoPie?
Principle starts at $Free/month, while ProtoPie starts at $11/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Principle and ProtoPie subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Principle and ProtoPie. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
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Track Both Services in One Dashboard
Whether you choose Principle, ProtoPie, or both — track all your subscriptions in one place with smart alerts and analytics.