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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.

bankingstartupscorporate-cardstreasury

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.

animationinteractionmacprototyping

Feature Comparison

Side-by-side comparison of features and capabilities

FeatureMercuryPrinciple
Starting PriceFreeContact sales
Plans Available21
Year Founded20192015
HeadquartersSan Francisco, CaliforniaSan 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

Free
Free
Plus
$35/mo

Principle Pricing

License
Varies

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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