Customs OS vs Customs Window
| Customs OS | Customs Window | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Android, api, iOS, Web |
| Declaration filing | No | Yes |
| HS classification | No | Yes |
| Duty & tax calculation | — | Yes |
| Supported regions | — | multi-country |
| Compliance records | — | Yes |
| API access | — | Yes |
Both are listed in Best Customs Management Software. On Freedom251, Customs Window scores higher on our published basis.