If you’re evaluating Klaviyo for email marketing software, the three strongest independent alternatives in our editorial ranking are Mailchimp, ActiveCampaign, HubSpot Marketing Hub. Each has a different best-fit buyer — the right choice depends on team size and workflow, not on which has the loudest review-site presence.
Why Klaviyo sometimes isn’t the right pick: B2B SaaS, professional services, nonprofits, or any non-e-commerce business where Klaviyo's features are wasted spend. See full “worst for” verdict →
9 Klaviyo alternatives
| Rank | Product | Best for | Target size | Pricing |
|---|---|---|---|---|
| #2 | Mailchimp | SMBs already familiar with Mailchimp who value brand recognition and the largest integration ecosystem. Solid for basic newsletter and campaign sending. | 1–250 | ● Transparent |
| #3 | ActiveCampaign | B2B and SMB teams (10–500 employees) needing genuinely advanced automation without Marketo/Pardot enterprise pricing. | 5–500 | ● Transparent |
| #4 | HubSpot Marketing Hub | Mid-market companies already on HubSpot CRM that want unified marketing-sales-service data and prefer modern UX over feature depth. | 10–500 | ● Transparent |
| #5 | Brevo (formerly Sendinblue) | European SMBs, content-heavy businesses with large stored lists but moderate send volumes, or anyone prioritizing transparent value over feature depth. | 1–500 | ● Transparent |
| #6 | Customer.io | B2B SaaS companies running PLG (product-led growth) lifecycle messaging where every user action should trigger appropriate communication. | 20–500 | ◐ Partial |
| #7 | Iterable | Consumer apps and large DTC brands running coordinated multi-channel lifecycle marketing at 100K+ user scale. | 100–10,000 | ○ Quote-only |
| #8 | MailerLite | Solo creators, course-builders, small newsletters (under 5,000 subscribers), and very small businesses prioritizing simplicity. | 1–50 | ● Transparent |
| #9 | Constant Contact | Local businesses, restaurants, nonprofits, and event-driven SMBs, particularly those who already have a Constant Contact account or come from a local-business buying motion. | 1–250 | ● Transparent |
| #10 | Drip | Mid-market e-commerce brands (5K–100K contacts) that find Klaviyo pricing prohibitive but want similar e-commerce automation capabilities. | 5–100 | ● Transparent |
Which alternative for which buyer
Mailchimp
The SMB email marketing default, with eroding free tier.
SMBs already familiar with Mailchimp who value brand recognition and the largest integration ecosystem. Solid for basic newsletter and campaign sending.
E-commerce DTC at scale (Klaviyo wins), B2B SaaS PLG (Customer.io wins), advanced automation (ActiveCampaign wins), or anyone with high contact-list churn.
ActiveCampaign
Most powerful automation in the category, without enterprise pricing.
B2B and SMB teams (10–500 employees) needing genuinely advanced automation without Marketo/Pardot enterprise pricing.
E-commerce DTC at scale (Klaviyo wins), enterprise lifecycle marketing across channels (Iterable wins), or buyers prioritizing modern UX over feature depth.
HubSpot Marketing Hub
Email marketing unified with HubSpot CRM and Service.
Mid-market companies already on HubSpot CRM that want unified marketing-sales-service data and prefer modern UX over feature depth.
Standalone email marketing evaluations, e-commerce DTC brands (Klaviyo wins), or B2B teams needing the most sophisticated automation (ActiveCampaign wins).
Brevo (formerly Sendinblue)
Best transparent value with email-volume pricing.
European SMBs, content-heavy businesses with large stored lists but moderate send volumes, or anyone prioritizing transparent value over feature depth.
High-volume e-commerce DTC (Klaviyo features matter more), enterprise lifecycle (Iterable wins), or buyers needing best-in-class automation.
Customer.io
Behavioral B2B SaaS messaging on event-driven data.
B2B SaaS companies running PLG (product-led growth) lifecycle messaging where every user action should trigger appropriate communication.
E-commerce DTC (Klaviyo wins), simple newsletter sends (Mailchimp/Brevo cheaper), or teams without engineering resources.
Iterable
Enterprise cross-channel lifecycle marketing.
Consumer apps and large DTC brands running coordinated multi-channel lifecycle marketing at 100K+ user scale.
SMB, B2B SaaS at < 50 employees, simple newsletter sends, or teams without engineering resources.
Related editorial
Last updated 2026-05-07. Rankings reflect editorial judgment based on the published Top 10 Email Marketing Software for 2026. We accept no vendor payments. Found something inaccurate? Tell us.