Softwr

Accounting · head to head

Mercury vs Stampli

Mercury logo

Mercury

Accounting

Banking for startups

From
Free
Rated
-
Full reviewWebsite
Stampli logo

Stampli

Accounting

AI-powered accounts payable automation

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Only Mercury has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mercury treasury access requires a $250,000 balance held with Mercury; Stampli no transparent pricing published; quote-based model required
  • They diverge on capability: Mercury covers Business checking, Stampli covers AI invoice processing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mercury and Stampli actually diverge.

Attributes where Mercury and Stampli differ
AttributeMercuryStampli
Starting priceFree$29/month
Pricing modelfreemiumsubscription
Free tierYesNo
Founded20192014

Identical on both: platforms (Web, Ios, Android), user rating (Not yet rated), category (Accounting).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mercury

  • Business checking
  • Savings accounts
  • Virtual cards
  • Team management
  • API access
  • Xero
  • Stripe
  • FDIC insured

Only in Stampli

  • AI invoice processing
  • Approval workflows
  • Vendor management
  • Payment processing
  • Audit trails
  • NetSuite
  • Sage Intacct
  • Microsoft Dynamics

Both cover

  • QuickBooks
  • Web support
  • Ios support
  • Android support

What people use each for

The jobs each tool is most often brought in to do.

Mercury

  • Business banking and payments for startupsnot Stampli
  • Managing treasury, invoicing and corporate cards from one accountnot Stampli

Stampli

  • Accounts payable automationnot Mercury
  • Invoice processing and capturenot Mercury
  • Vendor managementnot Mercury
  • Expense management and procurementnot Mercury

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mercury

  • Treasury access requires a $250,000 balance held with Mercury
  • Non USD international wires carry a 1% conversion fee
  • Choosing OUR wire coding, which covers intermediary bank charges, costs $15 per wire
  • ACH invoicing is $1 per transaction on Mercury Plus and only free on the $299 a month Pro plan
  • Advanced and recurring invoicing require Mercury Plus at $29.90 a month

Stampli

  • No transparent pricing published; quote-based model required
  • Specific pricing for individual modules or add-ons not available on pricing page
  • Cost varies based on invoice volume, complexity, and customization needs

Pricing, plan by plan

Mercury

Free
  • Mercury (Free)Free
    • ACH payments
    • Domestic wires
    • Real-time payments
  • Mercury Plus$29.9/month
    • Invoice ACH debits
    • Recurring invoices
    • Invoicing API (500/month)
  • Mercury Pro$299/month
    • All Plus features
    • Relationship manager
    • Free ACH invoice debits

Stampli

$29/month
  • Essential$undefined/month
    • Invoice processing
    • Basic approvals
    • Email notifications
  • Professional$undefined/month
    • AI-powered coding
    • Advanced workflows
    • ERP integrations
  • Enterprise$undefined/month
    • Custom workflows
    • API access
    • Dedicated support

Which should you pick?

Choose Mercury if

  • You need business checking.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want savings accounts.
Mercury review

Choose Stampli if

  • You need ai invoice processing.
  • You work on Web, Ios, Android.
  • You also want approval workflows.
Stampli review

Questions people ask

Is Mercury or Stampli better?
Neither clearly leads. Mercury starts at Free and Stampli at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mercury or Stampli?
Mercury has a free tier; the other does not. Paid plans start at Free for Mercury and $29/month for Stampli.
Does Mercury or Stampli run on more platforms?
Both run on Web, Ios, Android, so platform support will not decide this one for you.
Can I use Mercury for free?
Yes. Mercury has a free tier, so you can try it without paying. Stampli starts at $29/month.
What is Mercury best used for?
Mercury is most often used for business banking and payments for startups, managing treasury, invoicing and corporate cards from one account. Of those, business banking and payments for startups and managing treasury, invoicing and corporate cards from one account are not what Stampli is typically brought in for.
What can Mercury do that Stampli cannot?
Mercury covers Business checking, Savings accounts, Virtual cards, Team management. Stampli covers AI invoice processing, Approval workflows, Vendor management, Payment processing. Both handle QuickBooks, Web support, Ios support, Android support.

Answered from the vendors’ own pages

Mercury: Is Mercury business banking free?

Mercury's base banking tier is free and includes ACH payments, domestic wire transfers, real-time payments, Bill Pay, and QuickBooks/Xero automations at no monthly cost.

Source
Stampli: What does Stampli cost?

Stampli does not publish fixed pricing. The company uses a custom quote-based model. Visitors are directed to 'Request a Quote' and meet with an AP expert to discuss pricing based on their specific invoice volume and requirements.

Source
Mercury: What does Mercury Plus add beyond the free tier?

Mercury Plus costs $29.90 per month and adds invoice ACH debits, recurring invoice capabilities, invoicing API with 500 calls per month, unlimited 1099 filings, and access to partner benefits.

Source
Stampli: What is included in Stampli's standard offering?

Stampli's core accounts payable solution includes unlimited invoice capture, entities/locations, vendors, and PO matching; automated processing via Stampli Cognitive AI; 12 pre-built reports; interactive dashboards; a dedicated Customer Success Manager; and support with under 90-second response time.

Source
Mercury: Does Mercury charge monthly account fees?

No, Mercury states there are no minimum account balance requirements, overdraft fees, required monthly fees, or account opening fees. The free tier includes essential business banking, with paid tiers available for additional features.

Source
Stampli: How long does it take to implement Stampli?

Stampli uses a 'fulfillment-first' implementation approach and deploys in weeks versus competitors requiring months or longer.

Source
Stampli: What add-on modules are available with Stampli?

Optional modules include Procurement, Direct Pay functionality, credit card programs, advanced vendor management, and expense management. Pricing for add-ons requires requesting a custom quote.

Source
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