Softwr

Accounting · head to head

Karbon vs Ottimate

Karbon logo

Karbon

Accounting

Practice management for accounting firms

From
$59/month
Rated
-
Full reviewWebsite
Ottimate logo

Ottimate

Accounting

Invoice capture and accounts payable automation trained on food and beverage distributor formats

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Karbon monthly billing option only available for teams of 4 or more users; Ottimate nothing is published about price, and quotes are structured by location and invoice volume, so a group with a few high-volume sites and one with many low-volume sites can receive very different numbers for the same total spend
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Karbon and Ottimate actually diverge.

Attributes where Karbon and Ottimate differ
AttributeKarbonOttimate
Starting price$59/monthOn request
Pricing modelsubscriptionquote
PlatformsWebWeb, iOS, Android

Identical on both: 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 Ottimate does not also cover.

Only in Ottimate

  • Line-item invoice capture
  • GL coding
  • Approval routing
  • Supplier payments
  • Price change alerts
  • Purchase order matching
  • Digital invoice retrieval

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

Ottimate

  • A 40 site restaurant group whose bookkeepers key distributor invoices line by line to track food costnot Karbon
  • An operator that wants to know within a week when a supplier raises the price of an item outside the contracted schedulenot Karbon
  • A hotel group standardising accounts payable approvals across properties that each have their own general manager sign-off rulesnot Karbon
  • A finance team migrating from paper invoice files that needs digital retrieval from supplier portals rather than chasing branches for copiesnot 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

Ottimate

  • Nothing is published about price, and quotes are structured by location and invoice volume, so a group with a few high-volume sites and one with many low-volume sites can receive very different numbers for the same total spend
  • The line-item extraction advantage is trained on food and beverage distributor formats, so accuracy on long-tail suppliers, service invoices and one-off vendors falls back to general OCR and needs human review
  • It is an accounts payable layer, not an inventory or recipe costing system, so operators still need Restaurant365 or an equivalent for true plate costing and the value depends on that integration behaving
  • The company has rebranded once already from Plate IQ, and much of the third party comparison material still uses the old name or wrongly attributes it to AvidXchange, which makes independent due diligence unusually hard
  • Payment execution through the platform introduces a dependency on Ottimate for supplier relationships, and moving away later means re-establishing payment details with every vendor rather than simply exporting data

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

Ottimate

On request
  • Ottimate$undefined/year
    • Quoted by location count and invoice volume
    • Payment rails may carry separate transaction charges
    • Implementation and accounting system integration scoped separately

Which should you pick?

Choose Karbon if

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

Karbon review

Choose Ottimate if

  • You need line-item invoice capture.
  • You work on Web, iOS, Android.
  • You also want gl coding.
Ottimate review

Questions people ask

Is Karbon or Ottimate better?
Neither clearly leads. Karbon starts at $59/month and Ottimate at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Karbon or Ottimate?
Karbon starts at $59/month and Ottimate at On request.
Does Karbon or Ottimate run on more platforms?
Karbon runs on Web. Ottimate 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 Ottimate is typically brought in for.
What can Karbon do that Ottimate cannot?
Ottimate covers Line-item invoice capture, GL coding, Approval routing, Supplier payments.

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
Ottimate: Is Ottimate owned by AvidXchange?

No. Ottimate is the rebranded Plate IQ and operates as an independent venture-backed company. AvidXchange is a competitor, not the parent.

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
Ottimate: What was it called before?

Plate IQ. The company kept the same product and renamed it Ottimate.

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
Ottimate: Does it work outside restaurants?

It will process any invoice, but the line-item extraction accuracy that justifies the price is tuned to food and beverage distributors. Other industries should test carefully before committing.

Ottimate: Does it replace Restaurant365?

No. It handles invoice capture, approval and payment. Recipe costing and restaurant-specific inventory stay in Restaurant365 or an equivalent.

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