Postdrop vs SMTP Labs
| Postdrop | SMTP Labs | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $7/mo |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Paid from | 29 /mo | 7 /mo |
| Device coverage | both | — |
| Inbox testing | Yes | Yes |
| API access | Yes | Yes |
| Spam checks | — | Yes |
| Link checks | — | Yes |
Both are listed in Best Email Testing Software. On Freedom251, SMTP Labs scores higher on our published basis.