Klaviyo and Mailchimp both sit in the freemium email marketing space with contact-based pricing, but they are built for different starting points. Klaviyo…
| Klaviyo | Mailchimp | |
|---|---|---|
| Primary category | Email Marketing | Email Marketing |
| Rating | Not documented | Not documented |
| Pricing model | Freemium | Freemium |
| Starting price | Free (up to 250 profiles); paid plans from $20/month | Free (paid plans start around $13/month, price scales with contacts) |
| Free plan | Yes | Yes |
| Free trial | Not documented | Not documented |
| Platforms | Web | Not documented |
| Team collaboration | Not documented | Not documented |
| AI features | Yes | Yes |
| Public API | Yes | Not documented |
Core positioning
Klaviyo: Positions as a CRM, not just an email tool, with customer data feeding directly into segmentation
Mailchimp: Positions as an email marketing and automation platform for campaigns and audience management
Determines whether customer data and messaging are treated as one connected system or as separate concerns
Channel coverage
Klaviyo: Supports email, SMS, WhatsApp, and mobile push from one platform
Mailchimp: Supports email and SMS marketing
Broader native channel support means fewer third-party integrations needed to reach customers on WhatsApp or via app push
Customer data platform
Klaviyo: Includes a built-in customer data platform where campaign data feeds directly into segmentation and analytics
Mailchimp: Not documented as including a dedicated customer data platform
A built-in CDP reduces the need for separate data infrastructure to unify customer profiles
AI product line
Klaviyo: Offers AI Composer and Customer Agent for content generation and automated customer interactions
Mailchimp: Offers AI-assisted content tools for campaign creation and content generation
Klaviyo's AI extends into automated customer-facing interactions, while Mailchimp's AI is scoped to content creation
Pricing structure
Klaviyo: Contact-based pricing spans multiple separate product lines, Marketing, Data and Analytics, and Service
Mailchimp: Contact-based pricing scales within tiers, Essentials, Standard, and Premium, based on contact count
Multiple separate product lines can make total cost less predictable than scaling within a single tier structure
Free plan limits
Klaviyo: Free plan supports up to 250 active profiles and 500 email sends per month
Mailchimp: Free plan supports up to 250 contacts and 500 sends per month
Both free tiers are effectively equivalent in scope, so free-tier limits are not a differentiator
Support tiers
Klaviyo: Not documented as offering phone support or a dedicated onboarding specialist
Mailchimp: Premium tier includes phone support and a dedicated onboarding specialist
Hands-on onboarding and phone support reduce ramp-up time for teams without dedicated marketing ops staff
Cost as list scales
Klaviyo: Contact-based scaling pricing across multiple product lines
Mailchimp: Cost can rise significantly as a list grows, even without using more features, per contact-based tier pricing
Both tools scale price with list size, so growing brands on either platform should budget for rising costs over time
Tagging and category fit
Klaviyo: Tagged as ai and freemium, with omnichannel campaigns as a core feature
Mailchimp: Tagged as ai and freemium, with SMS marketing as an added feature alongside email
Both share the same top-level category tags, so differentiation comes down to channel breadth and data platform depth rather than category
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| Email campaigns | Available | Available |
| SMS marketing | Available | Available |
| WhatsApp messaging | Available | Not documented |
| Mobile push notifications | Available | Not documented |
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| Built-in customer data platform | Available | Not documented |
| Audience or contact management | Available | Available |
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| AI content generation | Available | Available |
| AI automated customer interactions | Available | Not documented |
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| Free plan | Available | Available |
| Contact-based pricing | Available | Available |
| Single flat-tier predictability | Unavailable | Limited |
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| Phone support | Not documented | Available |
| Dedicated onboarding specialist | Not documented | Available |
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| CRM-style positioning | Available | Unavailable |
| Freemium model | Available | Available |
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Pros
Cons
Pros
Cons
Neither is documented with a specific starting price, but both use contact-based pricing that rises as list size grows, with Klaviyo spanning multiple product lines (Marketing, Data and Analytics, Service) which its own documentation notes makes total cost less predictable than Mailchimp's single-tier scaling across Essentials, Standard, and Premium.
Mailchimp is the better fit for beginners based on documented facts, since its Premium tier includes phone support and a dedicated onboarding specialist, while Klaviyo's documentation does not mention equivalent hands-on support.
Not fully — Mailchimp is documented as an email and SMS marketing platform, while Klaviyo additionally supports WhatsApp and mobile push and includes a built-in customer data platform that Mailchimp's documentation does not mention.
Klaviyo's AI goes further on paper, with AI Composer for content generation plus a Customer Agent for automated customer interactions, while Mailchimp's documented AI tools are focused on campaign creation and content generation only.
Yes — both offer a free plan supporting up to 250 contacts (or active profiles, in Klaviyo's terms) and 500 sends per month.
Klaviyo is documented as supporting more channels natively, including email, SMS, WhatsApp, and mobile push from one platform, while Mailchimp's documented channels are limited to email and SMS.
Read the full Klaviyo review · Read the full Mailchimp review