Best OK Tax Alternatives in 2026
Updated
20 platforms from AI tax software ranked against OK Tax on the same published basis.
- 1OK Tax vs Taxation.ai
- 2OK Tax vs OpenTax
- 3OK Tax vs OpenTax by Invaro
- 4OK Tax vs SelfTax
- 5OK Tax vs Filed
- 6OK Tax vs ONESOURCE Certificate Manager
- 7OK Tax vs ONESOURCE Indirect Compliance
- 8OK Tax vs TaxAct
- 9OK Tax vs H&R Block Online
- 10OK Tax vs Taxfix
- 11OK Tax vs TurboTax
- 12OK Tax vs Filabl
- 13OK Tax vs TelosTax
- 14OK Tax vs BharatTax AI
- 15OK Tax vs Instead
- 16OK Tax vs Prime Meridian
- 17OK Tax vs Quicko
- 18OK Tax vs EZTax
- 19OK Tax vs TaxTim
- 20OK Tax vs FlyFin
OK Tax alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Taxation.ai | 7.2 | Free plan | $49/mo | API, self-hosted, Web |
| 2 | OpenTax | 7.1 | Free plan | Free | API, self-hosted, Web |
| 3 | OpenTax by Invaro | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | SelfTax | 7.1 | Free plan | Free | API, Browser, self-hosted |
| 5 | Filed | 6.6 | No | — | API, Mac, Web, Windows |
| 6 | ONESOURCE Certificate Manager | 6.6 | No | — | API, self-hosted, Web, Windows |
| 7 | ONESOURCE Indirect Compliance | 6.4 | No | — | API |
| 8 | TaxAct | 6.0 | Free plan | $44.99/mo | Web |
| 9 | H&R Block Online | 5.9 | Free plan | Free | Web, iOS, Android |
| 10 | Taxfix | 5.9 | Free plan | €3.33/mo | Android, iOS, Web |
| 11 | TurboTax | 5.9 | Free plan | $79/mo | Web |
| 12 | Filabl | 5.8 | Free plan | £19/mo | Web |
| 13 | TelosTax | 5.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 14 | BharatTax AI | 5.7 | Free plan | Free | Web |
| 15 | Instead | 5.7 | Free plan | Free | Web |
| 16 | Prime Meridian | 5.7 | Free plan | Free | Web |
| 17 | Quicko | 5.7 | Free plan | ₹999/mo | Web, iOS, Android |
| 18 | EZTax | 5.6 | No | ₹208.25/mo | Android, iOS, Web, Windows |
| 19 | TaxTim | 5.5 | No | — | Android, iOS, Web |
| 20 | FlyFin | 5.4 | No | $2.42/mo | Android, iOS |
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Questions about OK Tax alternatives
What is the best alternative to OK Tax?
Taxation.ai, number 1 in AI tax software with a score of 7.2 out of 10. The others here: OpenTax, OpenTax by Invaro, SelfTax and 16 more.
What is the best free alternative to OK Tax?
Taxation.ai is the best-ranked alternative with a free plan. 14 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.