Softwr

Accounting · head to head

Karbon vs Stampli

Karbon logo

Karbon

Accounting

Practice management for accounting firms

From
$59/month
Rated
-
Full reviewWebsite
Stampli logo

Stampli

Accounting

AI-powered accounts payable automation

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Karbon monthly billing option only available for teams of 4 or more users; Stampli no transparent pricing published; quote-based model required
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Karbon and Stampli actually diverge.

Attributes where Karbon and Stampli differ
AttributeKarbonStampli
Starting price$59/month$29/month
PlatformsWebWeb, Ios, Android
FoundedUnknown2014

Identical on both: pricing model (subscription), free tier (No), 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 Karbon

Nothing recorded that Stampli does not also cover.

Only in Stampli

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

What people use each for

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

Karbon

  • Automating client document collection for tax practice intakenot Stampli
  • Tracking all client requests in workflows tied to jobsnot Stampli
  • Aligning hours worked with billable time per engagementnot Stampli
  • Automating period close by connecting practice management to accountingnot Stampli
  • Streamlining client document submission and approval workflowsnot Stampli

Stampli

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

Where each one falls short

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

Karbon

  • Monthly billing option only available for teams of 4 or more users
  • Team plan at $59/month per user minimum cost may be expensive for smaller practices
  • No seat license discounts published; scaling costs linearly with user count

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

Karbon

$59/month
  • Team$59/month
    • Per-user pricing
    • Designed for small accounting firms
    • Minimum team size of 4 for monthly billing
  • Business$89/month
    • Per-user pricing
    • Workflow automation
    • Integrations for growing practices
  • Enterprise$null/mo
    • Custom pricing
    • Tailored for large accounting firms
    • Dedicated support

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 Karbon if

Nothing in the data separates Karbon from Stampli on the points above - pick on price and on how each one feels to use.

Karbon 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 Karbon or Stampli better?
Neither clearly leads. Karbon starts at $59/month and Stampli at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Karbon or Stampli?
Karbon starts at $59/month and Stampli at $29/month.
Does Karbon or Stampli run on more platforms?
Karbon runs on Web. Stampli runs on Web, Ios, Android.
What is Karbon best used for?
Karbon is most often used for automating client document collection for tax practice intake, tracking all client requests in workflows tied to jobs, aligning hours worked with billable time per engagement, automating period close by connecting practice management to accounting. Of those, automating client document collection for tax practice intake and tracking all client requests in workflows tied to jobs are not what Stampli is typically brought in for.
What can Karbon do that Stampli cannot?
Stampli covers AI invoice processing, Approval workflows, Vendor management, Payment processing.

Answered from the vendors’ own pages

Karbon: How much does Karbon cost?

Karbon pricing starts at $59 per user per month (Team plan, billed annually) or $79 per user per month (monthly billing for 4+ users). Business plan is $89/month annual or $99/month monthly. Enterprise pricing is custom.

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
Karbon: Is there a discount for annual billing on Karbon?

Yes, Karbon offers annual billing at a discount compared to monthly. Team plan is $59/month annually versus $79/month monthly. Business plan is $89/month annually versus $99/month monthly.

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
Karbon: What is the minimum user requirement for monthly billing on Karbon?

Karbon requires a minimum team size of 4 users to access monthly billing. Teams smaller than 4 must choose annual billing.

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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