Mercury vs Principle
A detailed comparison of Mercury and Principle in 2026. Compare pricing plans, features, and find out which finance service is right for you.
Mercury
Banking for startups with powerful financial tools and integrations
Mercury is a financial and accounting service that provides banking for startups with powerful financial tools and integrations. Founded in 2019 and headquartered in San Francisco, California, Mercury offers 2 pricing plans. It offers a free tier as well as paid plans starting from $35/month. Key features include Startup banking, Treasury, Corporate cards, Accounting sync. Mercury is a popular choice for users looking for quality finance 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 | Mercury | Principle |
|---|---|---|
| Starting Price | Free | Contact sales |
| Plans Available | 2 | 1 |
| Year Founded | 2019 | 2015 |
| Headquarters | San Francisco, California | San Francisco, California |
| Startup banking | ||
| Treasury | ||
| Corporate cards | ||
| Accounting sync | ||
| API access | ||
| Animation design | ||
| Interactions | ||
| Auto transitions | ||
| Drivers | ||
| Components | ||
| Sketch import |
Pricing Comparison
Compare all available plans and pricing tiers
Mercury Pricing
Principle Pricing
Frequently Asked Questions
Is Mercury or Principle better in 2026?
Both Mercury and Principle are excellent finance services. Mercury offers Startup banking and Treasury, while Principle features Animation design and Interactions. The best choice depends on your specific needs and budget.
How much does Mercury cost compared to Principle?
Mercury starts at $35/month, while Principle starts at $Free/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Mercury and Principle subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Mercury 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 Mercury, Principle, or both — track all your subscriptions in one place with smart alerts and analytics.