Klaviyo vs MailBluster
Both sit in email marketing. Here is how they differ on the things you can actually check.
On price: MailBluster starts $15 a month cheaper than Klaviyo ($5 against $20, 75% less) on its Pro tier. Where a price could not be read from the vendor's page it is marked indicative below.
Klaviyo
klaviyo.com
Marketing automation that plugs directly into store data — browse and purchase behaviour drive segments, flows and predictive audiences. Heavily used on Shopify.
MailBluster
mailbluster.com
Email marketing built to send in bulk at a low cost: a drag-and-drop composer and template gallery, segments built from who opened, clicked or bought, A/B tests, double opt-in, and reports on opens, clicks, bounces, complaints and eCommerce conversions. It sends through SMTP providers such as Postmark, Mailgun and SMTP2GO, and connects to other apps through Zapier.
| Klaviyo | MailBluster | |
|---|---|---|
| Entry price | $20/mo | $5/mo |
| Entry plan | — | Pro |
| Paid annually | — | $5/mo |
| Price checked | not verified | 28 Oct 2026 |
| Pricing model | Free plan | Free plan |
| Free plan | Yes | Yes |
| Category | Email Marketing | Email Marketing |
| Around since | 2012 | — |
1 of these 2 prices were read from the vendor's own pricing page, most recently on 28 Oct 2026; the rest are indicative. Entry tier only — vendors change pricing without notice.
Klaviyo vs MailBluster, answered
- Is Klaviyo cheaper than MailBluster?
- No — MailBluster is the cheaper entry point, at $5 a month against Klaviyo's $20, 75% less. MailBluster's figure is its annual rate — the vendor publishes no month-to-month price we could read.
- Do Klaviyo or MailBluster have a free plan?
- Both do. Klaviyo and MailBluster each publish an ongoing free tier rather than a time-limited trial.
- What is the difference between Klaviyo and MailBluster?
- Klaviyo: Marketing automation that plugs directly into store data — browse and purchase behaviour drive segments, flows and predictive audiences. Heavily used on Shopify. MailBluster: Email marketing built to send in bulk at a low cost: a drag-and-drop composer and template gallery, segments built from who opened, clicked or bought, A/B tests, double opt-in, and reports on opens, clicks, bounces, complaints and eCommerce conversions. It sends through SMTP providers such as Postmark, Mailgun and SMTP2GO, and connects to other apps through Zapier.
