AkuCalc vs Sphere
| AkuCalc | Sphere | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $100/mo |
| Open source | No | No |
| Platforms | — | api |
| Exemption certificates | Yes | — |
| Free plan | — | No |
| Paid from | — | 100 /mo |
| API access | — | Yes |
Both are listed in Best Tax Engine Software, Best Sales Tax Software. On Inferse, Sphere scores higher on our published basis.