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UltimateTax vs X.TAX Business Tax

Both stand on small business tax software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

UltimateTax

Free trial LinuxMacWeb+1

Choose UltimateTax if you prepare tax returns and want 1040 or corporate products, client document management, and included support. Online 1040 is the browser option; look elsewhere if you need a free plan or cannot meet the EFIN requirement for filing with its packages.

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X.TAX Business Tax

Free trial APIWeb

X.TAX combines supported business forms, accounting imports, automated checks, and access to tax professionals. Buyers should account for paid plans and the zero included state returns.

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The facts

UltimateTaxX.TAX Business Tax
Free planA free trialA free trial
Open sourceNot publishedNot published
Runs onLinux, Mac, Web, WindowsAPI, Web
Lowest paid planOnline 1040: $188 a yearTax Extension: $14.99, paid once
Plans published46
MakerNot publishedNot published
Websiteultimatetax.comx.tax
On small business tax software#13 of 29#19 of 29

UltimateTax: what it does well

  • Online 1040 supports unlimited 1040 filings.
  • Preparation tools include diagnostics and e-signatures.
  • Every subscription includes ProClient.
  • Support team provides free import from previous tax software.
  • Packages include year-round support.

What to know first

  • There is no free plan.
  • Desktop 1040 products require Windows 11.
  • An EFIN is required to file with the packages.
  • Listed plans cost from $188 a year.

X.TAX Business Tax: what it does well

  • Supports LLCs, partnerships, S and C corporations
  • AI checks flag missing or inconsistent information
  • QuickBooks and Xero imports are available
  • CPAs and Enrolled Agents can assist
  • Federal and state e-file support

What to know first

  • No free plan
  • Zero state returns included
  • Paid filing and add-on fees apply

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