Bill.com vs Mercury — Which One Wins?
A detailed, side-by-side comparison of Bill.com and Mercury to help you pick the right tool for your workflow.
Quick Verdict
Mercury takes the lead with a 4.5 rating and is best for startups and tech companies wanting modern banking with startup-specific features.. Bill.com (4.0) is the better pick if you need mid-market finance teams drowning in invoices.
Side-by-Side Comparison
| Criteria | Bill.com | Mercury |
|---|---|---|
| Rating | ★★★★ 4.0(155) | ★★★★★ 4.5(178) |
| Pricing Model | subscription | free |
| Starter Price | $45/user/mo | N/A |
| Free Tier | Yes | Yes |
| Platforms | Web, iOS, Android | web, ios, android |
| Learning Curve | Medium | easy |
| API Available | Yes | Yes |
| Best For | Mid-market finance teams drowning in invoices | Startups and tech companies wanting modern banking with startup-specific features. |
| Verdict | Best AP/AR Automation | recommended |
Feature Checklist
| Feature | Bill.com | Mercury |
|---|---|---|
| AP Automation | — | |
| AR Automation | — | |
| Invoice Capture | — | |
| Approval Workflows | — | |
| International Payments | — | |
| Free business checking | — | |
| Beautiful banking interface | — | |
| API access for programmatic banking | — | |
| Treasury (higher yield) | — | |
| Team permissions and controls | — | |
| Startup metrics (burn rate, runway) | — |
Bill.com
Pros
- ✓Excellent invoice capture AI
- ✓Strong approval workflows
- ✓International payments
Cons
- ✕Expensive for small businesses
- ✕Customer support can be slow
- ✕Setup takes time
Mercury
Pros
- ✓Best banking interface available — beautiful and functional
- ✓API enables programmatic banking automation
- ✓Startup metrics like burn rate and runway built in
Cons
- ✕No physical branches for in-person banking
- ✕FDIC insurance through partner banks, not Mercury directly
- ✕Limited to US-based businesses
The Bottom Line
Both Bill.com and Mercury are solid tools in the Accounting & Finance space. Mercury edges ahead with a stronger overall rating (4.5 vs 4.0) and is the better choice for startups and tech companies wanting modern banking with startup-specific features.. However, if you prioritize mid-market finance teams drowning in invoices, Bill.com is worth serious consideration. We recommend trying the free tier or trial of each before committing.