Principle vs SendGrid
A detailed comparison of Principle and SendGrid 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.
SendGrid
Email delivery and marketing API service
SendGrid is a developer tools and infrastructure service that provides email delivery and marketing api service. Founded in 2009 and headquartered in Denver, Colorado, SendGrid offers 3 pricing plans. It offers a free tier as well as paid plans starting from $19.95/month. Key features include Email API, SMTP relay, Marketing campaigns, Templates. SendGrid is a popular choice for users looking for quality development subscriptions.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Principle | SendGrid |
|---|---|---|
| Starting Price | Contact sales | Free |
| Plans Available | 1 | 3 |
| Year Founded | 2015 | 2009 |
| Headquarters | San Francisco, California | Denver, Colorado |
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import | ||
| Email API | ||
| SMTP relay | ||
| Marketing campaigns | ||
| Templates | ||
| Analytics | ||
| Deliverability tools |
Pricing Comparison
Compare all available plans and pricing tiers
Principle Pricing
SendGrid Pricing
Frequently Asked Questions
Is Principle or SendGrid better in 2026?
Both Principle and SendGrid are excellent design services. Principle offers Animation design and Interactions, while SendGrid features Email API and SMTP relay. The best choice depends on your specific needs and budget.
How much does Principle cost compared to SendGrid?
Principle starts at $Free/month, while SendGrid starts at $19.95/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Principle and SendGrid subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Principle and SendGrid. 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, SendGrid, or both — track all your subscriptions in one place with smart alerts and analytics.