Instantly vs Mailalert
| Instantly | Mailalert | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | extension |
| Free plan | No | Yes |
| Open tracking | — | Yes |
| Link tracking | — | Yes |
| Email client support | — | gmail |
| Activity alerts | — | Yes |
Both are listed in Best Email Tracking Software. On Samsung Mobile US Press, Mailalert scores higher on our published basis.