Best AkuCalc Alternatives in 2026
Updated
20 apps from tax engine software ranked against AkuCalc on the same published basis.
- 1AkuCalc vs Vatstack
- 2AkuCalc vs Zamp
- 3AkuCalc vs Kintsugi
- 4AkuCalc vs OpenSalesTax
- 5AkuCalc vs CCH SureTax
- 6AkuCalc vs ONESOURCE Determination
- 7AkuCalc vs Sovos Tax Determination
- 8AkuCalc vs Vertex e-Invoicing
- 9AkuCalc vs Numeral
- 10AkuCalc vs Cbox Tax
- 11AkuCalc vs Vertex for e-Commerce
- 12AkuCalc vs Vertex VAT Compliance
- 13AkuCalc vs CCH Tagetik
- 14AkuCalc vs ONESOURCE Certificate Manager
- 15AkuCalc vs ShipVAT
- 16AkuCalc vs VAT Engine
- 17AkuCalc vs VATCalc Calculator
- 19AkuCalc vs Avalara VAT Registration
- 20AkuCalc vs CereTax
- 21AkuCalc vs Complyt
AkuCalc alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Vatstack | 6.4 | Free plan | $15/mo | API, Web |
| 2 | Zamp | 6.4 | Free plan | Free | API |
| 3 | Kintsugi | 6.3 | Free plan | $75/mo | API |
| 4 | OpenSalesTax | 6.3 | Free plan | Free | API, self-hosted |
| 5 | CCH SureTax | 5.4 | No | — | — |
| 6 | ONESOURCE Determination | 5.4 | No | — | Web |
| 7 | Sovos Tax Determination | 5.4 | No | — | API, Web |
| 8 | Vertex e-Invoicing | 5.4 | No | — | API, Web |
| 9 | Numeral | 5.3 | No | — | API |
| 10 | Cbox Tax | 5.2 | No | — | self-hosted |
| 11 | Vertex for e-Commerce | 5.2 | No | — | Web |
| 12 | Vertex VAT Compliance | 5.2 | No | — | API |
| 13 | CCH Tagetik | 5.1 | No | — | — |
| 14 | ONESOURCE Certificate Manager | 5.1 | No | — | API, self-hosted, Web, Windows |
| 15 | ShipVAT | 5.1 | No | — | Web |
| 16 | VAT Engine | 5.1 | No | — | Web |
| 17 | VATCalc Calculator | 5.1 | No | — | Web |
| 19 | Avalara VAT Registration | 5.0 | No | — | API, Web |
| 20 | CereTax | 5.0 | No | — | Web |
| 21 | Complyt | 5.0 | No | — | Web |
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Questions about AkuCalc alternatives
What is the best alternative to AkuCalc?
Vatstack, number 1 in tax engine software with a score of 6.4 out of 10. The others here: Zamp, Kintsugi, OpenSalesTax and 16 more.
What is the best free alternative to AkuCalc?
Vatstack 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.