Comparison
Mailchimp vs Omnisend
Mailchimp vs Omnisend for Shopify in 2026 — pricing verified May 2026 (post Mailchimp free-tier cut + Classic Automation deprecation), and verdict by store stage.
Mailchimp
All-in-one marketing platform — email, automation, SMS, and CRM for small businesses (Intuit-owned).
Omnisend
"Email and SMS Marketing for Ecommerce Businesses" — ecommerce-focused email & SMS automation built on feedback of 150,000+ brands.
Affiliate link. Pricing and terms are set by the vendor. details
On this page
At a glance
The Mailchimp vs Omnisend question changed materially in 2025-2026. Mailchimp deprecated the Classic Automation Builder in June 2025, pushing multi-step ecommerce flows behind the Standard paywall; in January 2026 Mailchimp cut its free tier to 250 contacts and 500 sends/mo. Omnisend kept a more generous free tier (250 contacts / 500 emails) and ships ecommerce automation in the free plan directly. Operator pushback on Mailchimp post-free-tier cut is documented across G2 and the Shopify App Store. The decisive question for sub-2k subscriber Shopify stores: is the entry-tier cost differential worth the established Mailchimp brand familiarity.
Quick stats
Starting price
Mailchimp
$13/mo
Omnisend
$0/mo
Rating
Mailchimp
8/10
Omnisend
8.8/10
Integrations
Mailchimp
6
Omnisend
8
Free tier (verified 2026-05-30)
Mailchimp
250 contacts / 500 sends/mo (cut from 2k contacts in Jan 2026)
Omnisend
250 contacts / 500 emails — includes ecommerce automation
Cheapest paid (at 500 contacts)
Mailchimp
$13/mo Essentials (single-step automation only)
Omnisend
$16/mo Pro (full automation included)
Affiliate program
Mailchimp
No public affiliate program
Omnisend
Yes — Impact platform, recurring commission
Multi-step automation availability
Mailchimp
Standard $20/mo+ (Classic Automation deprecated Jun 2025)
Omnisend
Included from free tier
Pricing
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
Omnisend
$0/mo
- up to
- —
- Model
- freemium
Tiers: Free $0 (250 contact reach, 500 emails/mo, 60 SMS credits trial); Standard from $16/mo for 500 contacts (scales to ~$132 at 10K); Pro from $59/mo for 2,500 contacts (unlimited emails); Custom for 150K+ Pricing gotchas: Billed on total billable contacts (subscribers + abandoned-cart + imported); auto-upgrades tier as list grows. Free plan: Yes—250 contacts/500 emails/60 SMS trial credits Verified 2026-05-30
Omnisend starts at $0/mo vs Mailchimp's $13/mo.
Mailchimp: Free (250 contacts / 500 sends — cut Jan 2026); Essentials $13/mo (single-step automation); Standard $20/mo (multi-step automation post-Classic deprecation); Premium $350/mo. Omnisend: Free (250 contacts / 500 emails, ecommerce automation included); Pro from $16/mo for 500 contacts; scales smoothly with contact count. At 1,500 contacts both Mailchimp Standard and Omnisend Pro come in around $45/mo — at parity, Omnisend wins on Shopify-native depth.
Features
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
Omnisend
- AI Segment Builder (natural language) — Describe a segment in plain English and AI builds the rules
- Flow-Aware Content Generation — AI looks at the entire automation workflow and suggests content that progresses across messages
- Personalized Product Recommender — AI analyzes browsing behavior to insert personalized products in every email
- Forms AI Assistant — Builds full form design/copy/visuals from a prompt with self-optimizing variants
- Customer Lifecycle Map — AI segments subscribers by RFM into lifecycle stages with retention suggestions
- MCP Integration with ChatGPT/Claude — Talk to your Omnisend account through Claude or ChatGPT to create campaigns and check performance
Shopify integration
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
Omnisend
Deep native Shopify integration; Shopify App Store; Built-for-Shopify badge; one-click install; supports Shopify Flow; popups, signup forms and automation flows tied to Shopify events
Integrations
Only Mailchimp
- Google Analytics
Both
- Google Ads
- Meta
- Shopify
Only Omnisend
- BigCommerce
- TikTok
- WooCommerce
Customer support
Support rating (aggregated from independent review platforms like G2, Capterra, Shopify App Store): Mailchimp 8/10, Omnisend 9.1/10. This is an editorial composite of channel availability, response speed, and resolution quality — see the individual reviews below for specifics.
Pros & cons
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
Omnisend
Pros
- Ease of use significantly higher than Klaviyo/Mailchimp
- 24/7 live chat support with ~4 min avg response
- All-in-one email + SMS + push at lower price point
Cons
- Some users report missing advanced features (e.g. flow audits, deeper analytics)
- Pop-up builder limitations
- Sales attribution lags vs. Klaviyo
When each one wins
Winner: Omnisend
Sub-250 contact Shopify store testing email
Both free tiers match on volume, but Omnisend includes ecommerce automation in the free plan; Mailchimp strips automation entirely. For a Shopify store testing whether email drives revenue at all, the free Omnisend tier delivers actual automation; Mailchimp's free tier is broadcast-only.
Winner: Mailchimp
250-1,000 contacts, single-flow operator (welcome only)
Mailchimp Essentials at $13/mo is genuinely cheaper than Omnisend Pro at $16/mo, IF you only need a single-step welcome flow. The moment you want multi-step (welcome → cart abandonment → win-back), Mailchimp pushes to Standard at $20/mo and the cost advantage evaporates.
Winner: Omnisend
1,000-2,000 contacts running multi-step automation
At this volume Mailchimp Standard ($20/mo) and Omnisend Pro ($16-20/mo) sit at roughly the same price. At cost parity, Omnisend wins on Shopify-native depth, faster support response, and the absence of an active partner program (it has one — Impact) that makes integration content more available.
Our verdict
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.
Omnisend
"Email and SMS Marketing for Ecommerce Businesses" — ecommerce-focused email & SMS automation built on feedback of 150,000+ brands.
Related comparisons
- 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.
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- KlaviyovsMailchimp
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.
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