| Price from | $5,000/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 9 | 2 |
| Spec score · Email marketing tools | 9.0 (#12) | 7.6 (#127) |
| Spec score · Email Marketing Software | 8.6 (#32) | 7.6 (#136) |
| Automation | Its visual journey builder supports email, SMS, and webhook actions, conditions, waits, splits, and API-triggered journeys. | Automations can trigger on signup, birthdays, or custom events and use delays, conditions, and sequences. |
| Campaigns | Campaign tools include a drag-and-drop editor, A/B and multivariate testing, inbox previews, spam scoring, and scheduled or timezone-aware delivery. | Users can group sends into campaigns, target subscriber segments, and schedule delivery by timezone. |
| Email automation | Yes | Yes |
| Free plan | Yes | Yes |
| Audience segmentation | Yes | Yes |
| Support | Paid licenses include three months of updates and support; continued updates and support are available through an optional annual service package priced at 20% of the license fee. | Resletter offers priority support for integration and setup questions and invites users to contact its support team. |