Principle vs Substack
A detailed comparison of Principle and Substack 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.
Substack
Platform for independent newsletter writers
Substack is a news and media service that provides platform for independent newsletter writers. Founded in 2017 and headquartered in San Francisco, California, Substack offers 2 pricing plans. It offers a free tier as well as paid plans starting from $undefined/month. Key features include Newsletter platform, Podcasts, Chat, Notes. Substack is a popular choice for users looking for quality news subscriptions.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Principle | Substack |
|---|---|---|
| Starting Price | Contact sales | Free |
| Plans Available | 1 | 2 |
| Year Founded | 2015 | 2017 |
| Headquarters | San Francisco, California | San Francisco, California |
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import | ||
| Newsletter platform | ||
| Podcasts | ||
| Chat | ||
| Notes | ||
| Community | ||
| Monetization |
Pricing Comparison
Compare all available plans and pricing tiers
Principle Pricing
Substack Pricing
Frequently Asked Questions
Is Principle or Substack better in 2026?
Both Principle and Substack are excellent design services. Principle offers Animation design and Interactions, while Substack features Newsletter platform and Podcasts. The best choice depends on your specific needs and budget.
How much does Principle cost compared to Substack?
Principle starts at $Free/month, while Substack starts at $Free/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Principle and Substack subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Principle and Substack. 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, Substack, or both — track all your subscriptions in one place with smart alerts and analytics.