Best OLTPro Alternatives in 2026
Updated
20 platforms from small business tax software ranked against OLTPro on the same published basis.
- 1OLTPro vs Tax Series
- 2OLTPro vs X.TAX Business Tax
- 3OLTPro vs ONESOURCE Certificate Manager
- 4OLTPro vs TaxAct
- 5OLTPro vs H&R Block Online
- 6OLTPro vs TurboTax
- 7OLTPro vs Instead
- 8OLTPro vs ProConnect Tax
- 9OLTPro vs UpTax
- 10OLTPro vs CCH Axcess Practice
- 11OLTPro vs Drake Tax
- 12OLTPro vs MyTAXPrepOffice
- 14OLTPro vs Sure-Fire Tax Software
- 15OLTPro vs TaxSlayer Pro
- 16OLTPro vs TTS Tax Software
- 17OLTPro vs UltimateTax
- 18OLTPro vs ATX
- 19OLTPro vs CCH ProSystem fx Tax
- 20OLTPro vs NTO Software
- 21OLTPro vs TaxWise
OLTPro alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Tax Series | 6.8 | No | — | API, Web |
| 2 | X.TAX Business Tax | 6.7 | No | — | API, Web |
| 3 | ONESOURCE Certificate Manager | 6.6 | No | — | API, self-hosted, Web, Windows |
| 4 | TaxAct | 6.0 | Free plan | $44.99/mo | Web |
| 5 | H&R Block Online | 5.9 | Free plan | Free | Web, iOS, Android |
| 6 | TurboTax | 5.9 | Free plan | $79/mo | Web |
| 7 | Instead | 5.7 | Free plan | Free | Web |
| 8 | ProConnect Tax | 5.3 | No | $17.50/mo | Web, Windows |
| 9 | UpTax | 5.3 | No | — | Web |
| 10 | CCH Axcess Practice | 5.2 | No | — | Android, iOS, Web |
| 11 | Drake Tax | 5.2 | No | $25/mo | Mac, Web, Windows |
| 12 | MyTAXPrepOffice | 5.2 | No | $74.58/mo | Android, iOS, Linux, Mac, Web, Windows |
| 14 | Sure-Fire Tax Software | 5.2 | No | $56.58/mo | Mac, Web, Windows |
| 15 | TaxSlayer Pro | 5.2 | No | $116.25/mo | iOS, Mac, Web, Windows |
| 16 | TTS Tax Software | 5.2 | No | $297/mo | Web |
| 17 | UltimateTax | 5.2 | No | $15.67/mo | Linux, Mac, Web, Windows |
| 18 | ATX | 5.1 | No | — | — |
| 19 | CCH ProSystem fx Tax | 5.1 | No | — | Windows |
| 20 | NTO Software | 5.1 | No | — | Web, Windows |
| 21 | TaxWise | 5.1 | No | $35.75/mo | Android, iOS, Web, Windows |
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Questions about OLTPro alternatives
What is the best alternative to OLTPro?
Tax Series, number 1 in small business tax software with a score of 6.8 out of 10. The others here: X.TAX Business Tax, ONESOURCE Certificate Manager, TaxAct and 16 more.
What is the best free alternative to OLTPro?
TaxAct is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.