Softwr

Accounting · head to head

Karbon vs TaxAct

Karbon logo

Karbon

Accounting

Practice management for accounting firms

From
$59/month
Rated
-
Full reviewWebsite
TaxAct logo

TaxAct

Accounting

Get your maximum refund, guaranteed

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only TaxAct has a free tier, so it costs nothing to try first.
  • Each has a real cost: Karbon monthly billing option only available for teams of 4 or more users; TaxAct free edition available only to approximately 40% of filers
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Karbon and TaxAct actually diverge.

Attributes where Karbon and TaxAct differ
AttributeKarbonTaxAct
Starting price$59/monthFree
Pricing modelsubscriptionone-time
Free tierNoYes

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

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

TaxAct

  • Individual tax filingnot Karbon
  • Self-employed tax preparationnot 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

TaxAct

  • Free edition available only to approximately 40% of filers
  • Pricing excludes separate state filing fees
  • Xpert Full Service pricing available on request only

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

TaxAct

Free
  • Free EditionFree
    • W-2 income
    • Unemployment
    • Basic credits and deductions
  • Deluxe$59.99/tax-year
    • All Free Edition features
    • Home ownership deductions
    • Childcare and dependent care
  • Premier$99.99/tax-year
    • All Deluxe features
    • Investment income and capital gains
    • Cryptocurrency reporting
  • Self-Employed$109.99/tax-year
    • Complete business support
    • For contractors, freelancers, and sole proprietors

Which should you pick?

Choose Karbon if

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

Karbon review

Choose TaxAct if

  • You want to start without paying.
TaxAct review

Questions people ask

Is Karbon or TaxAct better?
Neither clearly leads. Karbon starts at $59/month and TaxAct at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Karbon or TaxAct?
TaxAct has a free tier; the other does not. Paid plans start at $59/month for Karbon and Free for TaxAct.
Does Karbon or TaxAct run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use TaxAct for free?
Yes. TaxAct has a free tier, so you can try it without paying. Karbon starts at $59/month.
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 TaxAct is typically brought in for.

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
TaxAct: How much does TaxAct cost?

TaxAct offers a free edition for approximately 40% of filers, Deluxe at $59.99, Premier at $99.99, and Self-Employed at $109.99 per tax year.

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
TaxAct: Is TaxAct truly free for eligible filers?

Yes, TaxAct's Free Edition is available at no cost for W-2 employees, students, and filers meeting basic income and deduction requirements.

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
TaxAct: What is the difference between Premier and Deluxe plans?

Premier adds support for investment income, capital gains, cryptocurrency, rental properties, and home sale reporting compared to Deluxe.

Source
Share

Related pages

More on Karbon

More on TaxAct

Keep looking

Other head to heads