IRIS Personal Tax vs Sphere
| IRIS Personal Tax | Sphere | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $100/mo |
| Open source | No | No |
| Platforms | self-hosted, Web, Windows | api, Web |
| Free plan | — | No |
| Paid from | — | 100 /mo |
| VAT calculation | — | Yes |
| VAT return filing | — | Yes |
| VAT registration | — | Yes |
| Transaction limit | — | 50,000 transactions/mo |
| E-invoicing support | — | advanced |
Both are listed in Best VAT Software. On Everything Xiaomi, IRIS Personal Tax scores higher on our published basis.