Citadel vs IceWarp
Citadel
citadel.org
IceWarp
icewarp.comSide by side
| Figure | Citadel | IceWarp |
|---|---|---|
| Price from | Free | $1.35/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · Mail Server Software | 8.3 (#4) | 8.3 (#5) |
| Support | Support is provided through an active user and developer community, an online knowledge base, a support forum, and a mailing list. | The pricing page lists 24/7 support for cloud customers and offers Cloud Plus support with a 24/7 hotline and stated response targets. |