Mailchimp vs Omnisend

Mailchimp

Saas

52/100

Try with caution

Pick it if you are:: Very small businesses with under 250 contacts
Top complaint:: Free plan gutted from 2000 to just 250 contacts
Price:: Free plan, paid from $13/mo

10 Mailchimp errors & fixes →

Omnisend

Saas

66/100

Try with caution

Pick it if you are:: Small Shopify stores starting email; Stores migrating from Mailchimp
Top complaint:: Omnisend SMS now requires the Pro plan and is billed separately
Price:: Free plan, paid from $16/mo

9 Omnisend errors & fixes →

Score Comparison

Overall

Pricing

Usability

Performance

Support

Reliability

Onboarding

Mobile

–

Security

–

Integrations

MailchimpOmnisend

Signals Comparison

Pricing

Mailchimp

Free plan gutted from 2000 to just 250 contacts(9/10)
Pricing explodes as subscriber list grows(9/10)
Billing continues after account deletion(8/10)
Advanced features require expensive paid plans(7/10)
Forced upgrades by restricting accounts before limits reached(7/10)

Omnisend

Omnisend SMS now requires the Pro plan and is billed separately(8/10)
Omnisend price jumps as your contact count grows(7/10)
Legacy Pro plan retired in October 2026 and accounts were migrated(7/10)
Standard plan add-ons cost extra(5/10)

Support

Mailchimp

Customer service is nonexistent with no phone support(9/10)

Omnisend

Support reported as slow with repeated explanations(7/10)

Reliability

Mailchimp

Emails frequently land in spam or promotions folders(9/10)

Omnisend

Emails going to spam or Promotions after switching to Omnisend(8/10)
Account suspended or blocked before any email is sent(9/10)
Scheduled SMS campaigns occasionally fail or arrive late(6/10)

Usability

Mailchimp

Email builder has clunky formatting and weird quirks(7/10)

Omnisend

Automation is less flexible than Klaviyo for complex flows(6/10)
Limited templates and an email editor some find unintuitive(5/10)
Automation workflow not sending or contacts not entering(7/10)
Uninstalling the Shopify app deletes the Omnisend account(8/10)

Customization

Mailchimp

Advanced features like automation are confusing to set up(6/10)

Omnisend

No signals

Security

Mailchimp

Accounts suspended without clear explanation(8/10)

Omnisend

No signals

Performance

Mailchimp

Platform runs slow with large contact lists(6/10)

Omnisend

No signals

Integrations

Mailchimp

E-commerce sync creates duplicate contacts(5/10)

Omnisend

Shopify or WooCommerce data not syncing correctly(7/10)
Some users switch to Klaviyo after bugs and attribution gaps(6/10)

Pricing Comparison

Mailchimp

Free

Users: 1 user, 1 audience

Storage: Not specified

Limits: 250 contacts, 500 emails/month and 250/day, no automation flows, no A/B testing or scheduling, basic segmentation only, limited templates, no phone support

Sending pauses when contact or send limit is exceeded. Mailchimp branding can't be removed. Email support only for the first 30 days. Contacts in two audiences count twice.

Essentials

$13.00/mo

Users: 3 users

Storage: Not specified

Limits: Limited automation, no advanced segmentation, basic reporting, 3 audience limit

Price rises with contact count. Send limit is 10x contacts. 50% off for first 12 months promo shown on pricing page; full price applies afterwards. Unsubscribed contacts count unless archived.

Standard

Popular

$20.00/mo

Users: 5 users

Storage: Not specified

Limits: Some advanced features still limited, 5 audience limit

Send limit is 12x contacts. Price jumps with contact count. 50% off for first 12 months promo; full price afterwards. Annual plans only via sales for 10,000+ contacts.

Premium

$350.00/mo

Users: Unlimited

Storage: Not specified

Limits: Extremely expensive for what you get compared to alternatives

Price rises sharply with list size (custom pricing above 250,000 contacts). Send limit 15x contacts. Phone support only at this tier.

Omnisend

Free

Users: 250 contacts

Limits: No SMS, Omnisend branding required, 250 contacts and 500 emails per month cap

Omnisend branding on emails and forms; no SMS; moves to paid once you pass 250 contacts

Standard (from, 500 contacts)

Popular

$16.00/mo

Users: From 500 contacts

Limits: No SMS, add-ons cost extra

Price rises with each contact tier (about $132/mo near 10,000 contacts per third-party trackers); Personalized Content, Sending Time and Forms Plus are paid add-ons; no SMS; first-upgrade offer of 30% off 3 months prepaid ($11.20/mo)

Pro (from)

$59.00/mo

Users: Priced by contact tier

Limits: SMS credits needed on top of the plan

SMS billed separately from $0.009 US per message (credits from $50 purchases, expire after 60 days); around $150/mo near 10,000 contacts per third-party trackers; first-upgrade offer of 30% off 3 months ($41.30/mo)

SMS credits (Pro add-on)

$0.01/mo

Limits: Pro plan required since May 4, 2026

Rates vary by country; credits expire after 60 days; cancelling the plan does not cancel the SMS subscription

Custom

Free

Limits: Sales contact needed

Quote only

Feature Comparison

Feature	Mailchimp	Omnisend
Email
Email campaigns All plans
Automation
Abandoned cart automation
Split testing inside workflows Reviewers say not available
Marketing
Automation Limited on lower tiers
Landing pages All plans
SMS marketing Limited compared to dedicated platforms
Lead capture
Signup forms and popups
Testing
A/B testing Essentials and above
Audience
Segmentation Advanced on Standard+
Channels
SMS/MMS Pro only, billed separately
Web push
Integrations
300+ integrations E-commerce, CRM, apps
Shopify, WooCommerce, BigCommerce integrations
Support
Phone support Premium only ($350+/mo)
Free migration support DIY only
CRM
CRM features Very basic
Pricing
Free plan 250 contacts, 500 emails
Generous free plan Only 250 contacts now
Contact-based pricing Charges for ALL contacts
Personalization
Product recommender Pro or add-on

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