Mercury vs Xero
Mercury and Xero are both accounting & finance tools. Mercury is aimed at small businesses and developers, while Xero is aimed at small businesses. Xero costs less, from $27/mo versus $29.90/mo for Mercury. Only Mercury has a free plan.
| Pricing | Freemium · $30 | Paid · $27 |
| Starting price | $29.90/mo | $27/mo |
| Free plan | Yes | No |
| Free trial | — | 30 days |
| Built for | Small businesses, Developers | Small businesses |
| Platforms | web, ios, android | web, ios, android |
| Country | US · 2017 | NZ · 2006 |
| Rating | — | — |
Choose Mercury if
US-incorporated startups.
- Fast, founder-friendly onboarding
- No monthly fees on core
- Excellent UI
Look elsewhere if: Non-US entities.
Choose Xero if
Small businesses outside the US and teams with many users who need books access.
- Unlimited users on all plans
- Excellent reconciliation experience
- Strong in UK, ANZ and international markets
Look elsewhere if: Very small freelancers (Wave, FreshBooks) or Turkish e-invoice compliance (Paraşüt).
Mercury vs Xero pricing
Mercury
- Mercury$0Banking, cards, invoicing, bill pay, expense management
- Plus$29.90/moRecurring invoices, ACH debit invoicing; 15% off annually
- Pro$299/moRelationship manager, NetSuite categorizations
Xero
- Early$27/mo20 invoices, 5 bills; 90% off first 6 months until Nov 2 2026
- Growing$59/moUnlimited invoices and bills
- Established$97/moMulti-currency, projects, analytics
Mercury · Key features
- Business checking and savings
- Debit and credit cards
- Treasury and yield
- Invoicing and bill pay
- International wires
- API and integrations
Cons
- US entities only
- Cash deposits limited
- Not a full-service bank
Xero · Key features
- Bank reconciliation with smart matching
- Invoices, quotes and online payments
- Bills, expenses and Hubdoc document capture
- Multi-currency accounting (Established)
- Projects, inventory and fixed assets
- Analytics, short-term cash flow and reporting
Cons
- Early plan limits are tight
- US payroll requires integrations
- Multi-currency only on the top plan
Mercury vs Xero: FAQ
Which is cheaper, Mercury or Xero?
Xero starts at $27/mo and Mercury at $29.90/mo. Both prices are checked on the vendors' own pricing pages.
Do Mercury and Xero have a free plan?
Mercury has a free plan. Xero has no free plan, a 30-day free trial.