Klaviyo vs Mailchimp
Ecommerce-first automation at $45/mo against the legacy suite that starts at $13/mo.
What matters for growth and lifecycle teams
Growth work lives or dies on targeting and measurement. What matters is whether behavioral triggers can be built without engineering time, whether the event stream supports attribution past the open, and whether deliverability holds when broadcast volume shares a reputation with product email.
| Priority | Klaviyo | Mailchimp / Mandrill |
|---|---|---|
| Scheduling | Yes | Yes |
| Event stream | Yes | Yes |
| Deliverability | Solid for ecommerce traffic. | Mixed; depends heavily on the shared IP pool you land on. |
| Operating since | 2012 | Not published |
| Suppressions API | Yes | Yes |
| Best published rate per 1,000 | Tiers not published in comparable form | Tiers not published in comparable form |
| Multi-tenant | No | No |
| Free tier | 500 emails to 250 contacts | 500 contacts, 1,000 sends/month |
| Starts at | $45/mo for 5,000 emails | $13/mo Essentials |
For lifecycle and activation work running behavior-triggered journeys, broadcasts, and winback campaigns measured on revenue, the two are level on every priority that can be scored here, so the choice comes down to price and to which product your team would rather operate. On free tier, Klaviyo offers 500 emails to 250 contacts against 500 contacts, 1,000 sends/month from Mailchimp / Mandrill. That ordering reflects this audience. Weigh the same table differently and the answer changes.
Side by side
| Feature | Klaviyo | Mailchimp / Mandrill |
|---|---|---|
| Deliverability | Solid for ecommerce traffic. | Mixed; depends heavily on the shared IP pool you land on. |
| Multi-tenant | No | No |
| Free tier | 500 emails to 250 contacts | 500 contacts, 1,000 sends/month |
| Starts at | $45/mo for 5,000 emails | $13/mo Essentials |
| Tagline | Ecommerce-focused marketing automation. | Legacy marketing giant, transactional via Mandrill. |
| Pricing model | subscriber-based | subscriber-based |
| API | Yes | Yes |
| SMTP | No | Yes |
| SDKs | node, python, php, ruby | node, python, php, ruby |
| Templates | rich | rich |
| React Email | No | No |
| Webhooks | Yes | Yes |
| Inbound | No | No |
| Idempotency | No | No |
| Dedicated IP | Yes | Yes |
| DX score | 6/10 | 5/10 |
| Best for | Shopify and ecommerce teams. | Non-technical marketers who already use Mailchimp. |
Klaviyo
- ›Ecommerce integrations are deep
- ›Predictive analytics
- ›Weak for non-ecommerce use cases
- ›Pricing climbs fast with contact growth
Mailchimp / Mandrill
- ›Recognizable brand
- ›Mature template editor
- ›Large agency ecosystem
- ›Three disclosed security incidents in the twelve months to January 2023, the last via social engineering of staff
- ›Mandrill only available as a paid add-on
- ›API ergonomics feel dated
- ›Pricing opacity