Close vs TrackMailBox
| Close | TrackMailBox | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $9/mo | Free |
| Open source | No | No |
| Platforms | Android, iOS | extension, Web |
| Free plan | No | Yes |
| Paid from | 9 /user/mo | — |
| Open tracking | — | Yes |
| Reply tracking | — | Yes |
Both are listed in Best Email Tracking Software. On Samsung Mobile US Press, Close scores higher on our published basis.