Sift vs Slack
| Sift | Slack | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | $150/mo | $8.75/mo |
| Open source | No | No |
| Platforms | Web, Windows, macOS, iOS, Android | Android, iOS, Linux, macOS, Web, Windows |
| Free plan | No | Yes |
| Custom fields | Yes | — |
| Paid from | — | 7.25 /user/mo |
Both are listed in Best Employee Directory Software. On The Geeks Club, Slack scores higher on our published basis.