MailTester vs RenderOps
| MailTester | RenderOps | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | Yes |
| Spam checks | Yes | Yes |
| Link checks | Yes | — |
| API access | Yes | — |
| Paid from | — | 10 /mo |
| Email clients | — | 21 clients |
| Device coverage | — | both |
| Accessibility checks | — | Yes |
| Inbox testing | — | Yes |
Both are listed in Best Email Testing Software. On Samsung Mobile US Press, RenderOps scores higher on our published basis.