Sender
Budget-friendly email marketing with a generous free plan.
Sender is a straightforward email and SMS marketing platform with newsletters, automation, forms, landing pages, templates, segmentation, and transactional emails included in the free plan. It is strongest for budget-conscious teams that need simple marketing automation without an expensive suite.
The question here is which one a backend engineer would rather operate. That means SDK depth in the language already in use, whether a retry can safely be replayed, how much the event log tells you when a customer says the email never arrived, and whether the pricing curve stays sane as volume grows.
Against password resets, receipts, and magic links shipped from application code, Sender covers developer experience, event stream, and webhook coverage, and does not cover SDK breadth, idempotency keys, and operating track record. Whether that gap matters depends on how central those are to the build.
- DX score: 6/10
- SDKs: None
- Idempotency keys: No
- Operating since: 2012
- Event stream: Yes
- Best published rate per 1,000: Tiers not published in comparable form
- Webhooks: Yes
- Deliverability: Marketing sender with shared IPs on lower plans and dedicated IP availability on Professional accounts by request.
- Free tier: Free forever for 2,500 subscribers and 15,000 emails/mo
Marketing sender with shared IPs on lower plans and dedicated IP availability on Professional accounts by request.
Budget-conscious startups that need newsletters, basic automation, forms, and transactional email on a generous free plan.
Teams with complex product-event workflows or account-level SaaS lifecycle needs.
- › Very generous permanent free plan
- › Transactional emails are included instead of sold as a separate product
- › Automation, forms, landing pages, and templates are available from the free plan
- › 24/7 support is promoted even for free users
- › Paid prices were not available in the public pricing page crawl because the slider errored
- › Less advanced lifecycle depth than Customer.io, Loops, or Encharge
- › Dedicated IPs are tied to higher-volume Professional accounts
Features at a glance
| API | Yes |
| SMTP | Yes |
| SDKs | None |
| Webhooks | Yes |
| Templates | rich |
| React Email | No |
| Batch send | Yes |
| Scheduled send | Yes |
| Suppressions | Yes |
| Multi-tenant | No |
| Inbound parsing | No |
| Event stream | Yes |
| Idempotency keys | No |
| Dedicated IP | Yes |
Appears in rankings
Best permanent free tiers
2,500 subscribers and 15,000 emails/mo on a permanent free plan. Strongest free marketing tier in this set.
Best for lifecycle and marketing automation
Budget-friendly basic automation with a strong free plan, but thinner product-event depth.
Best for SaaS startups
Best budget backstop for startups that need a large permanent free marketing tier.
Best Mailchimp and Mandrill alternatives
Budget-friendly alternative with a more generous free plan than Mailchimp.