Arc vs Mercury: Which Fintech & Payments Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Arc vs Mercury, in 15 seconds
Choose Arc if…
- You prefer Arc's approach and ecosystem
Choose Mercury if…
- You want the lower entry price
- You need a genuinely free plan
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
Head-to-Head Scorecard
How Arc and Mercury score
Mercury leads on 6 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
ArcNo reviewsMercuryNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Arc0Mercury0 - Mercury
Entry Pricing
Lowest published starting price (free plan = lowest)
ArcCustomMercury$0/mo - Mercury
Free Access
Availability of a free plan and/or free trial
ArcFree trialMercuryFree plan + trial - Mercury
Integrations
Number of listed third-party integrations
Arc6Mercury8 - Mercury
Features
Number of listed product capabilities
Arc0Mercury8 - Even
AI Features
Capabilities mentioning AI, automation or ML
Arc,Mercury, - Mercury
Security & Compliance
Number of listed compliance certifications
Arc1Mercury3 - Mercury
Platforms & Deployment
Supported platforms and deployment options
Arc4Mercury5
Feature Comparison
Arc vs Mercury feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Arc
MercuryPricing Comparison
Arc vs Mercury pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Arc
Custom to start- Standard support
- business accounts
- treasury management
- Integrations
- non-dilutive capital
- Advanced security and controls
- Everything in Professional
- insights
Mercury
$0/mo to start- No monthly fee
- No minimum balance
- Free USD wires and ACH
- Corporate cards
- 29.90 dollars annual
- Advanced invoicing
- ACH debit collection
- Reimbursements up to 20 users
- Enriched NetSuite integration
- Dedicated relationship manager
- Direct support channels
- For high-value accounts
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Arc vs Mercury: strengths and trade-offs
Arc
Pros
- Free trial offered
- Compliance: SOC 2
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
- Fewer native integrations than the alternative
Mercury
Pros
- Free plan available
- Free trial offered
- Broad integration ecosystem (8)
- Compliance: SOC 2, GDPR, PCI DSS
- Public API available
Cons
Buyer Fit
Who should use Arc vs Mercury?
Startups
Mercury
Mercury keeps early-stage costs lowest with its entry tier.
Small businesses
Mercury
Mercury offers the most accessible pricing for lean teams.
Agencies
Mercury
Mercury connects to more tools for multi-client workflows.
Enterprises
Mercury
Mercury leads on compliance and breadth for complex needs.
Ecommerce
Mercury
Mercury integrates with more of the commerce stack.
SaaS companies
Mercury
Mercury is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (4)
Only in Arc (2)
Only in Mercury (4)
Keep Exploring
Other alternatives worth considering
Similar fintech & payments products buyers compare alongside Arc and Mercury.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Arc and Mercury against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationArc vs Mercury, Frequently Asked Questions
What is the difference between Arc and Mercury?
Arc and Mercury are both Fintech & Payments solutions. Arc is rated 0.0/5 by 0 users, while Mercury is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Arc or Mercury?
Based on user ratings, Arc scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Arc or Mercury?
Mercury is the more affordable option, starting at $0/month.
Does Arc or Mercury have a free plan?
Mercury offers a free plan. Arc does not have a free tier but does offer a free trial.
Can I switch from Arc to Mercury?
Switching between Arc and Mercury is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Arc vs Mercury?
Arc is best suited for teams that prioritise enterprise features. Mercury works well for teams looking to start free and scale.
Our Verdict
The bottom line on Arc vs Mercury
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Mercury
Mercury has the friendliest entry point for new teams.
Best for Enterprise
Mercury
Mercury leads on compliance and feature breadth.
Best Value
Mercury
Mercury delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.