Postman vs Principle
A detailed comparison of Postman and Principle in 2026. Compare pricing plans, features, and find out which development service is right for you.
Postman
API development and testing platform
Postman is a developer tools and infrastructure service that provides api development and testing platform. Founded in 2012 and headquartered in San Francisco, California, Postman offers 3 pricing plans. It offers a free tier as well as paid plans starting from $14/month. Key features include API testing, Collections, Mock servers, Monitoring. Postman is a popular choice for users looking for quality development subscriptions.
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.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Postman | Principle |
|---|---|---|
| Starting Price | Free | Contact sales |
| Plans Available | 3 | 1 |
| Year Founded | 2012 | 2015 |
| Headquarters | San Francisco, California | San Francisco, California |
| API testing | ||
| Collections | ||
| Mock servers | ||
| Monitoring | ||
| Documentation | ||
| Collaboration | ||
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import |
Pricing Comparison
Compare all available plans and pricing tiers
Postman Pricing
Principle Pricing
Frequently Asked Questions
Is Postman or Principle better in 2026?
Both Postman and Principle are excellent development services. Postman offers API testing and Collections, while Principle features Animation design and Interactions. The best choice depends on your specific needs and budget.
How much does Postman cost compared to Principle?
Postman starts at $14/month, while Principle starts at $Free/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Postman and Principle subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Postman and Principle. 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 Postman, Principle, or both — track all your subscriptions in one place with smart alerts and analytics.