Pleo vs Mercury: Which is Better in 2026?
Choosing between Pleo 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 Pleo if you need a free tier to start with.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Pleo
Transform business spending into success with smart company cards and automated expense management.
Best for you if:
- • You want smart company cards
Mercury
Business banking for startups. Open an account online in minutes
Best for you if:
- • You want a fully free tool (Pleo requires payment)
| At a Glance | Pleo | Mercury |
|---|---|---|
Starts at | Free Free plan | Free 100% free |
Category | Finance Expense Management | Finance Accounting |
Rating | 4.7/5 G2 4.7 1,435 reviews | 4.6/5 G2 4.4 · Capterra 4.8 182 reviews |
Free plan | Yes | Yes |
Watch out for | Essential tier has a per-user fee ($5/user/month) | Personal tier is annual-only billing |
Choose Pleo or Mercury?
Choose Pleo if
- You want smart company cards
- You want expense management
- Budget matters (Free vs Free)
Choose Mercury if
- You want a fully free tool (Pleo requires payment)
- You want no fees
- You want great UX
In-Depth Analysis
Pleo
Transform business spending into success with smart company cards and automated expense management.
Pleo's pricing is fair, offering a generous free Starter tier for up to 3 users.
Watch out
Essential tier has a per-user fee ($5/user/month)
Strengths
- Pro: Smart company cards
- Pro: Expense management
- Pro: Auto-categorization
- Pro: Receipt capture
- Pro: European focus
Weaknesses
- Con: EU/UK focused
- Con: Per-user pricing
- Con: Limited integrations
- Con: Card limits on lower tiers
- Con: Support varies
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
- Pro: No fees
- Pro: Great UX
- Pro: API access
Weaknesses
- Con: Limited credit options
- Con: US only
Key features
Pricing: Pleo vs Mercury
| Plan | Pleo | Mercury |
|---|---|---|
| Tier 1 | Free Starter | Free Business Banking |
| Tier 2 | $49 month Essential | Free Treasury |
| Tier 3 | $89 month Advanced | $240 Personal |
| Tier 4 | custom Beyond | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Pleo pricing and Mercury pricing.
Key Takeaways
Mercury
- Completely free
- Our pick for this comparison
Pleo
- Higher user rating: 4.7/5 vs 4.6/5
- Larger review base (1,435 reviews)
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 Pleo or Mercury better in 2026?
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 Pleo for finance workflows (main strength: smart company cards). Pick Mercury for finance workflows (main strength: no fees).
What are Pleo and Mercury used for?
Pleo: Transform business spending into success with smart company cards and automated expense management. Mercury: Business banking for startups. Open an account online in minutes.
What does Pleo cost vs Mercury?
Pleo's paid plans start at Free (Essential). Mercury's paid plans start at Free (Personal).
What's the main difference between Pleo and Mercury?
Pleo's main strength: smart company cards. Mercury's main strength: no fees.