Shopify app comparison · updated Aug 25, 2026
Omnisend Email Marketing & SMSvs
Mailchimp Email SMS Marketing
Compare Omnisend Email Marketing & SMS and Mailchimp Email SMS Marketing for Shopify email marketing using current ratings, review activity, pricing, features, and OngoingAI-observed adoption.
Omnisend
Omnisend Email Marketing & SMS
Run email marketing & SMS campaigns with AI marketing tools. Collect emails with popups & sell more.
- Rating
- 4.80
- Reviews
- 2,955
- Review growth · 30d
- +3 · +0.1%
- Pricing
- Free to install
- Years on Shopify
- 12
- Stores observed
- 4,846
Intuit Mailchimp
Mailchimp Email SMS Marketing
Drive sales with smarter SMS and email marketing automation built for ecommerce brands
- Rating
- 4.80
- Reviews
- 1,359
- Review growth · 30d
- +26 · +2.0%
- Pricing
- Free plan available
- Years on Shopify
- 8
- Stores observed
- 13,132
Our read
- Ratings
- Level at 4.80
- Review growth
- Mailchimp Email SMS Marketing faster (+2.0% vs +0.1%)
- Review depth
- Omnisend Email Marketing & SMS 2.2× more reviews
- Adoption
- Mailchimp Email SMS Marketing larger (13,132 vs 4,846)
OngoingAI's data favors Mailchimp Email SMS Marketing on observed Shopify adoption (13,132 vs 4,846 stores), with faster recent review growth.
Head-to-head
The signals, side by side.
Each row reads straight from the live App Store listing and OngoingAI’s census. The Difference column states the gap — not a buyer recommendation.
| Dimension | Omnisend Email Marketing & SMS | Mailchimp Email SMS Marketing | Difference |
|---|---|---|---|
| Rating | 4.80 | 4.80 | Level |
| Reviews | 2,955 | 1,359 | Omnisend Email Marketing & SMS 2.2× |
| Review growth · 30d | +3 · +0.1% | +26 · +2.0% | Mailchimp Email SMS Marketing faster |
| Listed pricing | Free to install | Free plan available | Not directly comparable |
| Years on Shopify | 12 | 8 | Omnisend Email Marketing & SMS +4y |
| Stores observed | 4,846 | 13,132 | Mailchimp Email SMS Marketing leads |
Which fits your requirements?
Choose by what you actually need.
Choose Omnisend Email Marketing & SMS if…
- You need push notifications
- You need exit intent
- You need subscriptions
Choose Mailchimp Email SMS Marketing if…
- You need social media
- You need follow-up emails
- You need surveys
- Recent review-growth signals matter to you
Tied to observable requirements only — listed capabilities, ratings, review growth, adoption and price. It doesn’t assert usability or support quality.
Feature differences
90% of listed capabilities overlap.
These apps cover largely the same ground. The decision material is what each lists that the other doesn’t.
Omnisend Email Marketing & SMS only
4
- Push notifications
- Exit intent
- Subscriptions
- Product reviews
Mailchimp Email SMS Marketing only
4
- Social media
- Follow-up emails
- Surveys
- Bulk editing
Show 36 shared capabilities
- Email marketing
- Email campaigns
- SMS campaigns
- Newsletters
- Pop-ups
- Forms
- Landing pages
- Discounts
- Promotions
- Upsell emails
- Cross-sell emails
- Cart emails
- Checkout emails
- Abandoned cart
- Browse abandonment
- Welcome emails
- Price drop emails
- Back-in-stock emails
- Win-back emails
- Product recommendations
- Drip campaigns
- Custom campaigns
- Editor tool
- Templates
- AI generation
- Translation
- Localization
- Custom code
- Custom fonts
- Import and export
- Email domains
- Consent collection
- Email capture list
- SMS capture list
- Triggers and rules
- Automations
Observed adoption
Who actually runs each, on real stores.
The stores OngoingAI’s weekly census observes running each app, and the platform each skews toward — observed presence, not vendor-reported install totals.
Omnisend Email Marketing & SMS
4,846
stores observed
Skews Shopify · 84%
Mailchimp Email SMS Marketing
13,132
stores observed
Skews Shopify · 62%
Scope
What this comparison measures.
What it measures
Shopify App Store ratings, review counts and 30-day review growth, listed pricing and capabilities, category data, and OngoingAI-observed storefront adoption for Omnisend Email Marketing & SMS and Mailchimp Email SMS Marketing.
What it doesn’t
Hands-on usability, customer-support quality, deliverability, merchant sentiment from review text, or revenue impact. We draw a sharp line around what we can observe.
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- Klaviyo vs Mailchimp
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Methodology
Where the numbers come from.
Ratings, review counts, pricing, and categories come from the live Shopify App Store listing, refreshed daily. Review growth compares the observed snapshots across the trailing 30-day window. “Stores observed” and the platform split come from OngoingAI’s weekly storefront census — the real stores running each app, not the listing’s claimed totals. Comparison generated Aug 25, 2026.
See who’s switching — as it happens.
Track app adoption on live ecommerce stores. Find merchants running Omnisend Email Marketing & SMS or Mailchimp Email SMS Marketing, follow stack changes, and see when a store installs, removes, or replaces an app.