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 wins this matchup. BILL Spend & Expense ranks #1 on our Expense Management list. BILL Spend & Expense is the highest-listed Expense Management tool with a free plan. Pick Keep if you need its specific feature set.
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:
- • You want consolidates multiple financial services into a single platform, simplifying business finance
- • You want offers significantly higher credit limits compared to traditional options, supporting business growth
Mercury
Business banking for startups. Open an account online in minutes
Best for you if:
- • You want a fully free tool (Keep requires payment)
- • You want no fees
- • You want great UX
| At a Glance | Keep | Mercury |
|---|---|---|
Starts at | $79/moCore | FreeFree tier available |
Best For | Finance | Finance |
Rating | - | 4.6/5 |
Free plan | No | Yes |
Choose Keep or Mercury?
Choose Keep if
Corporate card, global banking, and growth capital for Canadian businesses
- You want consolidates multiple financial services into a single platform, simplifying business finance
- You want offers significantly higher credit limits compared to traditional options, supporting business growth
Choose Mercury if
Business banking for startups. Open an account online in minutes
- You want a fully free tool (Keep requires payment)
- You want no fees
- You want great UX
| Feature | Keep | Mercury |
|---|---|---|
| Pricing Model | Paid | Free |
| User Rating | No ratings yet | ★4.6/5 182 reviews |
| Categories | FinanceExpense Management | FinanceAccounting |
In-Depth Analysis
Keep
Corporate card, global banking, and growth capital for Canadian businesses
Keep's pricing is fair for Canadian businesses needing integrated corporate cards and global banking, with the Core tier at $79/mo offering solid value for small teams.
Watch out
1.5% fee on Interac payments after free monthly limit
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
Mercury
Business banking for startups. Open an account online in minutes
Mercury's Business Banking and Treasury tiers are exceptionally generous, offering core banking services and high-yield options for free.
Watch out
Personal tier is annual-only billing
Strengths
- +No fees
- +Great UX
- +API access
Weaknesses
- -Limited credit options
- -US only
Key features
Pricing: Keep vs Mercury
| Plan | Keep | Mercury |
|---|---|---|
| Tier 1 | $79/mo Core | Free Business Banking |
| Tier 2 | $119/mo Plus | Free Treasury |
| Tier 3 | $199/mo Max | $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: 182 reviews (4.6/5).
Go with: Mercury
3 Questions to Help You Decide
What's your budget?
Keep is paid. Mercury is free. Go with Mercury if free matters most.
What's your use case?
Both are finance tools. Compare their specific features to decide.
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 wins this matchup. BILL Spend & Expense ranks #1 on our Expense Management list. BILL Spend & Expense is the highest-listed Expense Management tool with a free plan.
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.