Inbox Monster vs SMTP Labs
| Inbox Monster | SMTP Labs | |
|---|---|---|
| Free plan | No | Yes |
| Paid from | $312.50/mo | $7/mo |
| Platforms | Web | api, Web |
| Free plan | No | Yes |
| Email clients | 120 clients | |
| Device coverage | both | |
| Spam checks | Yes | Yes |
| Accessibility checks | Yes | |
| Link checks | Yes | Yes |
| Inbox testing | Yes | Yes |
| API access | Yes | Yes |
| Paid from | 7 /mo |
Listed together in Best Email Testing Software