Grammarly vs Principle
A detailed comparison of Grammarly and Principle in 2026. Compare pricing plans, features, and find out which productivity service is right for you.
Grammarly
AI writing assistant for grammar and clarity
Grammarly is a productivity and collaboration service that provides ai writing assistant for grammar and clarity. Founded in 2009 and headquartered in San Francisco, California, Grammarly offers 3 pricing plans. It offers a free tier as well as paid plans starting from $12/month. Key features include Grammar check, Tone detection, Plagiarism, Style suggestions. Grammarly is a popular choice for users looking for quality productivity 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 | Grammarly | Principle |
|---|---|---|
| Starting Price | Free | Contact sales |
| Plans Available | 3 | 1 |
| Year Founded | 2009 | 2015 |
| Headquarters | San Francisco, California | San Francisco, California |
| Grammar check | ||
| Tone detection | ||
| Plagiarism | ||
| Style suggestions | ||
| GrammarlyGO AI | ||
| Browser extension | ||
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import |
Pricing Comparison
Compare all available plans and pricing tiers
Grammarly Pricing
$144/yr
Principle Pricing
Frequently Asked Questions
Is Grammarly or Principle better in 2026?
Both Grammarly and Principle are excellent productivity services. Grammarly offers Grammar check and Tone detection, while Principle features Animation design and Interactions. The best choice depends on your specific needs and budget.
How much does Grammarly cost compared to Principle?
Grammarly starts at $12/month, while Principle starts at $Free/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Grammarly and Principle subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Grammarly and Principle. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
Related Comparisons
Grammarly vs Netflix
Compare Grammarly and Netflix side-by-side
Disney+ vs Grammarly
Compare Disney+ and Grammarly side-by-side
Grammarly vs Hulu
Compare Grammarly and Hulu side-by-side
Netflix vs Principle
Compare Netflix and Principle side-by-side
Disney+ vs Principle
Compare Disney+ and Principle side-by-side
Hulu vs Principle
Compare Hulu and Principle side-by-side
Explore More
Track Both Services in One Dashboard
Whether you choose Grammarly, Principle, or both — track all your subscriptions in one place with smart alerts and analytics.