Comparison
Klaviyo vs Mailchimp
Klaviyo vs Mailchimp for small Shopify stores, with pricing verified 2026-05-26, Shopify integration notes, automation limits, and a clear verdict by subscriber range.
Klaviyo
"AI Email Marketing & SMS | B2C CRM" — the autonomous B2C CRM that unifies email, SMS, RCS, WhatsApp and push.
Mailchimp
All-in-one marketing platform — email, automation, SMS, and CRM for small businesses (Intuit-owned).
Affiliate link. Pricing and terms are set by the vendor. details
On this page
At a glance
Most Klaviyo vs Mailchimp articles still ranking in 2026 were written in 2021–2024, and the comparison they describe is no longer accurate. Mailchimp returned to the Shopify App Store via the ShopSync acquisition (October 26, 2021), Klaviyo shifted to active-profile billing (February 18, 2025), Mailchimp cut its free tier in January 2026 to 250 contacts and 500 sends per month, and the Classic Automation Builder deprecation in June 2025 pushed multi-step ecommerce flows behind the Mailchimp Standard paywall. For a real verdict on small Shopify stores in 2026, all four shifts have to be in the math.
Quick stats
Starting price
Klaviyo
$20/mo
Mailchimp
$13/mo
Rating
Klaviyo
8.4/10
Mailchimp
8/10
Integrations
Klaviyo
8
Mailchimp
6
Free tier (verified 2026-05-26)
Klaviyo
250 active profiles / 500 emails / 150 SMS credits
Mailchimp
250 contacts / 500 sends / 250 daily cap
Cheapest paid at 500 contacts
Klaviyo
$20/mo (Email)
Mailchimp
$13/mo (Essentials)
Multi-step automations
Klaviyo
Included on Email plan
Mailchimp
Standard plan only (post-Jun 2025)
Pricing
Klaviyo
$20/mo
- up to
- —
- Model
- tiered
Tiers: Free $0 (250 active profiles, 500 emails/mo, 150 SMS credits); Email from $20/mo for 251-500 active profiles; scales with active-profile count up to ~$2,300/mo at 250K profiles Pricing gotchas: Billed on active profiles, not emails sent; Klaviyo One mandatory above ~$10K/mo (+20%). Free plan: Yes—250 profiles/500 emails/150 SMS credits Verified 2026-05-30
Mailchimp
$13/mo
- up to
- —
- Model
- freemium
Tiers: Free $0 (250 contacts, 500 emails/mo); Essentials from $13/mo (500 contacts); Standard from $20/mo (500 contacts); Premium from $350/mo (10,000 contacts minimum); Custom above 200K Pricing gotchas: Counts unsubscribed + non-subscribed contacts toward limit unless manually archived (typically 20-40% bloat); Premium tier requires 10,000 contact minimum (sharp jump from Standard). Free plan: Yes—250 contacts/500 emails/mo Verified 2026-05-30
Mailchimp starts at $13/mo vs Klaviyo's $20/mo. Pricing models differ: Klaviyo is tiered, Mailchimp is freemium.
At 500 contacts: Mailchimp Essentials $13/mo, Mailchimp Standard $20/mo, Klaviyo Email $20/mo. At 1,500 contacts: both Mailchimp Standard and Klaviyo Email roughly $45/mo. At 2,000 contacts: Mailchimp Essentials $50/mo, Standard $52/mo, Klaviyo Email $60/mo.
Features
Klaviyo
- Predictive Analytics (CLV / Churn Risk / Next Order Date) — Predicts customer lifetime value, churn probability, and expected next purchase date per profile
- Klaviyo AI (generative content) — Generates subject lines, email copy, SMS copy, and form copy in brand voice
- Klaviyo Data Platform (Advanced KDP) — Customer data platform layer with advanced data ingestion, identity resolution and segmentation
- Customer Hub — Branded self-service customer portal showing orders, loyalty, recommendations
- Marketing Analytics — Cross-channel attribution and advanced marketing reporting
- Helpdesk / Customer Agent — Native helpdesk product with AI Customer Agent for ticket resolution
Mailchimp
- All-in-One Marketing Platform — Combines email, landing pages, websites, social, and automations
- Customer Journey Builder — Drag-and-drop multi-step automation builder with branching logic
- Predictive Demographics — Predicts age and gender for contacts where unknown
- Send-Time Optimization — Predicts the best individual send time per recipient
- Generative AI Content (Intuit Assist) — AI generates email copy, subject lines, and creative based on brand voice
- Behavioral Targeting — Trigger campaigns from website / purchase / product activity
Shopify integration
Klaviyo
Deep native Shopify integration; Shopify App Store; Built-for-Shopify; near real-time sync of customers, products, orders and events; native Customer Hub for Shopify storefronts; Klaviyo SMS supported; embedded forms and popups
Mailchimp
Official Mailchimp Email & SMS app on Shopify App Store; syncs customers, products, orders and discount codes; on-site tracking pixel; NOT Built-for-Shopify
Integrations
Only Klaviyo
- Segment
- Snapchat
- TikTok
Both
- Google Ads
- Meta
Only Mailchimp
- Google Analytics
- Shopify
Customer support
Support rating (aggregated from independent review platforms like G2, Capterra, Shopify App Store): Klaviyo 8.4/10, Mailchimp 8/10. This is an editorial composite of channel availability, response speed, and resolution quality — see the individual reviews below for specifics.
Pros & cons
Klaviyo
Pros
- Deep Shopify integration & flow builder
- Behavioral segmentation depth (9.0 G2 score)
- Predictive AI / CLV scoring
Cons
- Steep price scaling as contacts grow
- Support quality drops on lower tiers
- Reporting requires data exports for advanced analysis
Mailchimp
Pros
- Famous drag-and-drop email builder & template library
- 300+ native integrations
- Brand recognition & easy onboarding
Cons
- Pricing escalates aggressively with list growth
- Counts unsubscribed contacts toward billing
- Free-tier support cut after 30 days; advanced features gated to Standard/Premium
When each one wins
Winner: Klaviyo
0–250 subscribers (free tier)
Both free tiers match on volume (250 contacts / 500 sends). Klaviyo wins because its free plan includes the full ecommerce data model, predictive analytics, and Shopify sync. Mailchimp Free strips out automation entirely.
Winner: Mailchimp
250–1,000 subscribers (budget play)
Mailchimp Essentials at $13/mo saves $7 vs Klaviyo Email if newsletters and a single abandonment email are all you need. The moment you want multi-step flows, Standard ($20/mo) ties with Klaviyo Email.
Winner: Klaviyo
1,000–2,000 subscribers (capability play)
Mailchimp Standard and Klaviyo Email are roughly the same price at 1,500 contacts (~$45/mo). At cost parity, Klaviyo ecommerce-native data model wins on segmentation depth, predictive analytics, and 80+ pre-built ecom flow templates.
Our verdict
For Shopify stores under 2,000 subscribers in 2026 the answer is segmented. 0–250 contacts: Klaviyo wins because its free plan ships with the full ecommerce data model. 250–1,000 contacts: Mailchimp Essentials at $13/mo is the real budget play — but only if single-step automations are enough. 1,000–2,000 contacts: Mailchimp Standard and Klaviyo Email are roughly the same price; Klaviyo wins on capability. Decisive question: do you need multi-step automation logic? If yes, Mailchimp pushes you to Standard which costs the same as Klaviyo and does less on the ecommerce side. For the full Mailchimp pricing breakdown (unsubscribed-bloat tax + April 13 hike), see /pricing/mailchimp. For the full Klaviyo pricing breakdown (active-profiles billing trap + Customer Agent $200/mo), see /pricing/klaviyo.
Similar tools worth comparing
Klaviyo
"AI Email Marketing & SMS | B2C CRM" — the autonomous B2C CRM that unifies email, SMS, RCS, WhatsApp and push.
Related comparisons
- KlaviyovsPostscript
Klaviyo and Postscript split cleanly by store maturity and SMS ambition. Below $50K/mo MRR — Klaviyo's bundled SMS inside the free or Email tier is the cheapest, fastest way to test SMS without onboarding a second platform. Above $50K/mo MRR with SMS as a real revenue channel — Postscript's Shopify-only specialist depth (45+ Shopify-specific segmentation filters, compliance engine, 4x ROI guarantee) pays back faster than Klaviyo SMS. The Customer Agent vs Shopper question is misleading: they solve different jobs. Postscript Shopper is pre-purchase conversational AI on SMS; Klaviyo Customer Agent is post-purchase ticket resolution priced separately as a helpdesk product. Don't pick the tool to get the AI agent — pick the tool to get the channel strategy, and the agent fits the job naturally. For the full Postscript pricing breakdown ($49 Starter minimum + platform-fee shift), see /pricing/postscript. For the full Klaviyo pricing breakdown (active-profiles billing trap + Customer Agent $200/mo), see /pricing/klaviyo.
Open
- AttentivevsKlaviyo
For Shopify operators not yet running email at scale, Klaviyo wins by default — bundling SMS into a multi-channel CRM at $20/mo Email is cheaper than running two platforms in parallel. Above $50K/mo MRR with email already mature on a different platform and SMS becoming a real revenue channel, Attentive becomes evaluable on enterprise account-management and multi-platform infrastructure. The Klaviyo One $10K/mo threshold (mandatory above ~$10K/mo total spend, adds 20%) is the pricing inflection point — model your projected 12-month spend before committing. For the full Attentive pricing breakdown ($2-3K quarterly minimum, contract structure), see /pricing/attentive. For the full Klaviyo pricing breakdown (active-profiles billing trap + Customer Agent $200/mo), see /pricing/klaviyo.
Open
- MailchimpvsOmnisend
For Shopify stores under 2,000 subscribers in 2026, Omnisend is the cleaner pick — free-tier covers more, ecommerce automation is included where Mailchimp gates it to Standard at $20/mo, and Omnisend's ~4-minute average support response (per vendor + corroborated by 4.7/5 ease-of-use on G2) reduces onboarding friction. Mailchimp wins only when an existing audience or brand workflow makes migration costly — and only on the Essentials tier at $13/mo where multi-step automation is not needed. For brands above 2,000 subscribers, this comparison reshapes around Klaviyo entering the picture. For the full Mailchimp pricing breakdown (unsubscribed-bloat tax + April 13 hike), see /pricing/mailchimp. For the full Omnisend pricing breakdown (billable-contacts denominator + MCP on Free), see /pricing/omnisend.
Open
- KlaviyovsOmnisend
For Shopify stores under 25,000 contacts in 2026, the choice splits on what you're optimizing. Sub-5k stores wanting cheaper math, faster setup, and ChatGPT-style access to store data via Omnisend MCP — pick Omnisend, typically 30–50% lower monthly bill. 5k+ stores that need ecommerce flow depth (browse abandonment, post-purchase product recommendations, predicted CLV), or that already pay for support and would benefit from Klaviyo Customer Agent's email-attributed conversation handling — pick Klaviyo. The April 1, 2026 Customer Agent jump from $140 to $200 doesn't flip the decision — it's a separate $200/mo add-on, not a baseline price bump. Decisive question: do you need behavioral-event-level segmentation? If yes, Klaviyo. If 'good-enough' segmentation plus operator-facing AI via MCP is the priority, Omnisend. For the full Klaviyo pricing breakdown, see /pricing/klaviyo. For the full Omnisend pricing breakdown (billable-contacts denominator + MCP on Free), see /pricing/omnisend.
Open
- KlaviyovsManyChat
Open
