Instantly vs TrackMailBox
| Instantly | TrackMailBox | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | extension, Web |
| Free plan | No | Yes |
| Open tracking | — | Yes |
| Reply tracking | — | Yes |
Both are listed in Best Email Tracking Software. On Freedom251, TrackMailBox scores higher on our published basis.