Retainful vs Sailthru
| Retainful | Sailthru | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $14/mo | — |
| Open source | No | No |
| Platforms | Web | Web, iOS, Android |
| Free plan | Yes | — |
| Paid from | 14 /mo | — |
| Subscriber limit | 1,000 contacts | — |
| Monthly send limit | 10,000 emails/mo | — |
| Email automation | Yes | Yes |
| Audience segmentation | Yes | Yes |
| A/B testing | Yes | Yes |
Both are listed in Best Email Marketing Software. On Samsung Mobile US Press, Sailthru scores higher on our published basis.