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Keep vs Mercury: Which is Better in 2026?

Choosing between Keep and Mercury comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Mercury is our overall pick for finance workflows. Pick Keep if you need its specific feature set.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jun 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Keep

Corporate card, global banking, and growth capital for Canadian businesses

Best for you if:

  • Provides an all-in-one corporate credit card with high limits and rewards for Canadian businesses.
  • Offers integrated expense management, global banking, and growth capital financing.

Mercury

Business banking for startups. Open an account online in minutes

Best for you if:

  • • You need something completely free
  • Banking built for startups
  • No monthly fees or minimums
At a Glance
KeepKeep
MercuryMercury
Starts at
Custom
FreeFree tier available
Best For
FinanceFinance
Rating
-4.6/5

Choose Keep or Mercury?

Keep

Choose Keep if

Corporate card, global banking, and growth capital for Canadian businesses

  • Consolidates multiple financial services into a single platform, simplifying business finance.
  • Offers significantly higher credit limits compared to traditional options, supporting business growth.
  • Provides robust expense management and automation features, reducing manual effort and errors.
Mercury

Choose Mercury if

Business banking for startups. Open an account online in minutes

  • No fees
  • Great UX
  • API access
  • You want a fully free tool (Keep requires payment)
FeatureKeepMercury
Pricing ModelPaidFree
User RatingNo ratings yet
4.6/5
143 reviews
Categories
FinanceExpense Management
FinanceAccounting

In-Depth Analysis

KeepKeep

Corporate card, global banking, and growth capital for Canadian businesses

Strengths

  • +Consolidates multiple financial services into a single platform, simplifying business finance.
  • +Offers significantly higher credit limits compared to traditional options, supporting business growth.
  • +Provides robust expense management and automation features, reducing manual effort and errors.
  • +Enables cost-effective international transactions with no-fee global banking and favorable exchange rates.
  • +Quick and easy online application process with rapid approval times.

Weaknesses

  • -Primarily focused on the Canadian market, limiting its availability to businesses outside Canada.
  • -Specific reward structures and credit limits may vary based on business eligibility and financial health.
  • -Reliance on a single platform for all financial needs could pose a risk if service is interrupted.

Key features

4X Rewards Business Credit CardUp to 10X higher credit limitsFree physical and unlimited virtual cardsReal-time spend controls and card freezingGrowth capital financing up to $1MNo-fee global banking with multi-currency support
Starts at Custom

MercuryMercury

Business banking for startups. Open an account online in minutes

Strengths

  • +No fees
  • +Great UX
  • +API access

Weaknesses

  • -Limited credit options
  • -US only

Key features

Startup bankingOnline accountsTreasuryVenture debtAPI accessFast signup
Starts at Free

Pricing: Keep vs Mercury

PlanKeepMercury
Tier 1N/A
Free
Business Banking
Tier 2N/A
Free
Treasury
Tier 3N/A
$240
Personal

Pricing verified from each vendor's public pricing page. Compare in detail on Keep pricing and Mercury pricing.

Who Should Use What?

On a budget?

Mercury is free. Keep is paid.

Go with: Mercury

Want the highest-rated option?

Mercury is rated 4.6/5. Keep has no ratings yet.

Go with: Mercury

Value user reviews?

Keep: no ratings yet. Mercury: 143 reviews (4.6/5).

Go with: Mercury

3 Questions to Help You Decide

1

What's your budget?

Keep is paid. Mercury is free. Go with Mercury if free matters most.

2

What's your use case?

Both are finance tools. Compare their specific features to decide.

3

How important are ratings?

Mercury is rated 4.6/5; Keep has no ratings yet.

Key Takeaways

Mercury

  • Completely free
  • Our pick for this comparison

Keep

  • Choose if you want corporate card, global banking, and growth capital for Canadian businesses

The Bottom Line

Mercury is our pick.

Frequently Asked Questions

Is Keep or Mercury better?

Mercury is rated in our evaluation. Keep is paid and Mercury is free.

What are Keep and Mercury used for?

Keep: Corporate card, global banking, and growth capital for Canadian businesses. Mercury: Business banking for startups. Open an account online in minutes.

What does Keep cost vs Mercury?

Keep is a paid tool. Mercury is completely free. Visit their websites for detailed pricing.

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