Omnisend vs Mailchimp

Compared on	Omnisend Free plan · from $16/mo VisitRemove	Mailchimp Free plan · from $13/mo VisitRemove
What it is	Email, SMS and push marketing for ecommerce stores, with a free plan for 250 contacts and 24/7 support	Intuit's email and SMS marketing platform, free for 250 contacts, with AI writing on Standard and Premium
Free plan	500 emails a month to up to 250 contacts; 500 web push notifications; the FAQ says the free plan includes the features of paid plans, such as automation, segmentation and forms, within those limits; 24/7 live chat and email support	Up to 250 contacts; 500 email sends a month with no more than 250 a day; 1 user seat and 1 audience; limited pre-built templates; no automation flows, email scheduling or A/B testing; Mailchimp branding stays on; email support for the first 30 days only. Sending pauses if the contact or send limit is exceeded.
Cheapest paid plan	$16/mo (Standard)Omnisend pricing	$13/mo (Essentials)Mailchimp pricing
What it covers	For up to 500 contacts; email sends are 12x the list size (6,000 a month at 500 contacts); Essential AI (Forms AI and Reports AI). No annual plan is listed; paying 3 months upfront saves 30%. Subscribers and non-subscribers who received automated messages are billed; unsubscribed contacts are not.	Starting price for the 0-500 contacts tier; email sends up to 10x the contact count (5,000 a month at 500 contacts); 3 user seats. The price rises with the contact tier, up to $385/month for 50,000 contacts. Overages are billed if contact or send limits are exceeded. Annual plans exist only for Standard and Premium at 10,000+ contacts, through sales.
Free trial	None stated	14-day free trial of Essentials or Standard (payment details required at sign-up); a 1-month Premium trial for qualified new customers through sales
Platforms	Web, API	Web, iOS, Android, API
Integrations (vendor's figure)	305+ pre-built integrations including Shopify, Shopify Plus, BigCommerce and WooCommerce	300+ integrations including Shopify, WooCommerce, Canva, Zapier, Square, Stripe and Salesforce
Open source	No	No
Good for	Shopify and BigCommerce stores automating abandoned cart and post-purchase emails Ecommerce brands combining email, SMS and push in one workflow Stores moving from another email platform with a free migration	Small businesses sending regular newsletters to a few thousand contacts Ecommerce stores that want automated flows tied to Shopify or WooCommerce data Trying email marketing free with a list under 250 contacts
Watch out for	The free plan allows only 500 emails a month to 250 contacts Standard caps sends at 12x the list size Pro starts at the 2,500-contact tier; the pricing page sells SMS credits on Pro and does not describe SMS pricing for Standard	The free plan stops at 250 contacts and 500 sends a month, with no automation flows or scheduling Essentials automation flows are limited to 4 steps; generative AI features need Standard or Premium Overage charges apply on paid plans when contact or send limits are exceeded
Made by	Omnisend, UAB	The Rocket Science Group LLC d/b/a Mailchimp (part of Intuit)

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

Every tool in email marketing tools is on its category page, with the written head-to-heads on Compare.