Compare
MailerSpark vs ConvertKit
ConvertKit is beloved by creators. MailerSpark is what you graduate to when your newsletter becomes a business — and you also need cold outreach.
| Feature | ConvertKit | MailerSpark |
|---|---|---|
| Newsletter campaigns | ✓ | ✓ |
| Visual automations | ✓ (Creator+) | ✓ (Starter+) |
| Cold outreach sequences | ✗ | ✓ (Growth+) |
| Unibox + AI classify | ✗ | ✓ (Growth+) |
| Connected inboxes (Gmail/365/IMAP) | ✗ | ✓ |
| Inbox rotation + warmup | ✗ | ✓ (Growth+) |
| Drag-and-drop builder | ✓ | ✓ |
| A/B testing | ✓ (Creator+) | ✓ (Starter+) |
| REST API | ✓ (paid) | ✓ (Starter+) |
| Signed webhooks | Limited | ✓ (Growth+) |
| BYO SMTP / Amazon SES | Limited | ✓ |
| Self-hostable | ✗ | ✓ |
| Per-email pricing | No | No — pay SES directly |
| Free plan | 1,000 contacts (limited features) | 500 contacts, full features |
| Plans start at | $9/mo (limited) | $19/mo Starter (full features) |
| Best for | Creators with 1 product | Teams doing newsletter + cold |
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Try MailerSpark on the free plan.
500 contacts, full feature set, no credit card.
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