Mailproof vs Vocus.io
| Mailproof | Vocus.io | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | $0.33/mo | $5/mo |
| Open source | No | No |
| Platforms | extension, Web | extension |
| Free plan | Yes | No |
| Open tracking | Yes | Yes |
| Link tracking | Yes | — |
| Email client support | gmail | — |
| CRM integrations | 0 | — |
| Activity alerts | Yes | — |
| Paid from | — | 5 /user/mo |
| Reply tracking | — | Yes |
Both are listed in Best Email Tracking Software. On Freedom251, Mailproof scores higher on our published basis.