Oxygen vs Mercury: Which is Better in 2026?
Choosing between Oxygen 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Oxygen
Banking services for small businesses and entrepreneurs, currently undergoing new initiatives.
Best for you if:
- • Provided banking services for small businesses and entrepreneurs.
- • Historically served over 250K monthly active users.
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 |  Oxygen |  Mercury |
|---|---|---|
Starts at | Paid | $240/moPersonal |
Best For | Finance | Finance |
Rating | - | - |
Choose Oxygen or Mercury?
Choose Oxygen if
Banking services for small businesses and entrepreneurs, currently undergoing new initiatives.
- Historically served a large user base (250K+ monthly active users)
- Supported significant card swipe revenue ($550k/month)
- Backed by a proven leadership team and significant investment ($20M round)
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 (Oxygen requires payment)
| Feature | Oxygen | Mercury |
|---|---|---|
| Pricing Model | Paid | Free |
| User Rating | ★4.2/5 29 reviews | ★4.6/5 143 reviews |
| Categories | FinanceAccounting | FinanceAccounting |
In-Depth Analysis
Oxygen
Banking services for small businesses and entrepreneurs, currently undergoing new initiatives.
Strengths
- +Historically served a large user base (250K+ monthly active users)
- +Supported significant card swipe revenue ($550k/month)
- +Backed by a proven leadership team and significant investment ($20M round)
Weaknesses
- -Services are currently unavailable
- -Specific future initiatives are not yet detailed
Key features
Mercury
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
Pricing: Oxygen vs Mercury
| Plan | Oxygen | Mercury |
|---|---|---|
| Tier 1 | N/A | Free Business Banking |
| Tier 2 | N/A | Free Treasury |
| Tier 3 | N/A | $240 Personal |
Pricing verified from each vendor's public pricing page. Compare in detail on Oxygen pricing and Mercury pricing.
Who Should Use What?
On a budget?
Mercury is free. Oxygen is paid.
Go with: Mercury
Want the highest-rated option?
Neither has user reviews yet.
Go with: Oxygen
Value user reviews?
Neither has user reviews yet.
Go with: Mercury
3 Questions to Help You Decide
What's your budget?
Oxygen 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?
Neither has user reviews yet.
Key Takeaways
Mercury
- Higher user rating: 4.6/5 vs 4.2/5
- Larger review base (143 reviews)
- Completely free
- Our pick for this comparison
Oxygen
- Choose if you want banking services for small businesses and entrepreneurs, currently undergoing new initiatives
The Bottom Line
Mercury is our pick.
Frequently Asked Questions
Is Oxygen or Mercury better?
Mercury is rated in our evaluation. Oxygen is paid and Mercury is free.
What are Oxygen and Mercury used for?
Oxygen: Banking services for small businesses and entrepreneurs, currently undergoing new initiatives.. Mercury: Business banking for startups. Open an account online in minutes.
What does Oxygen cost vs Mercury?
Oxygen is a paid tool. Mercury is completely free. Visit their websites for detailed pricing.