Constant Contact vs Brevo vs MailerLite

Compared on	Constant Contact Free trial · from $10.20/mo VisitRemove	Brevo Free plan · from $8.08/mo VisitRemove	MailerLite Free plan · from $10.80/mo VisitRemove
What it is	Email, SMS and social marketing for small businesses, priced by contacts, with live phone and chat support	Email, SMS and WhatsApp marketing, formerly Sendinblue, priced by email volume with a free 300-a-day plan	Email marketing with a free plan for 250 subscribers and paid plans priced by list size and sending
Free plan	No	300 emails a day; up to 100,000 contacts; 1 user; automation limited to 2,000 contacts; Brevo branding on emails; AI content generator, forms, segmentation, transactional email and SMS campaigns (credits paid) included; email support. No credit card needed.	Up to 250 subscribers and 2,500 emails a month; 3 active automations with up to 5 steps; 1 website and 1 landing page; 3 active forms; 1 digital product or booking; 2 user seats; MailerLite logo on emails; API and MCP access limited, with no sending through them; community support. Sending locks above 250 active subscribers.
Cheapest paid plan	$10.20/mo billed annually (Lite)Constant Contact pricing	$8.08/mo billed annually (Starter)Brevo pricing	$10.80/mo billed annually (Comfort)MailerLite pricing
What it covers	For 0-500 contacts; email sends up to 10x contacts; 1 user. $10.20/mo when prepaid for 12 months. Sends over the allowance cost $0.002 each. The price rises with the contact tier ($25.50/mo prepaid at 501-1,000 contacts).	5,000 emails a month and 500 contacts; 1 user; $97 billed yearly (10% off). Removing the Brevo logo costs $12 a month extra on Starter. The price rises with email volume, up to 100,000 emails a month on Starter.	For up to 500 subscribers and 5,000 emails a month; $129.60 billed yearly (10% off); 3 user seats, 50 automations, 10 forms. The price rises with subscriber count, and the plan moves to the next tier automatically when the limit is passed.
Free trial	Free trial with no credit card required (length not stated on the pricing page); 30-day money-back guarantee	None stated	14-day trial of premium features on every new account, no credit card required
Platforms	Web, iOS, Android	Web, API	Web, iOS, API
Integrations (vendor's figure)	300+ integrations including Google, Microsoft, Facebook, Canva, LinkedIn, Vimeo, Zapier, Shopify and Eventbrite	150+ integrations including Shopify, WordPress, Stripe and Zapier	100+ integrations including Shopify, WooCommerce, Stripe, ChatGPT and Claude
Open source	No	No	No
Good for	Small businesses and nonprofits that want live phone and chat support Promoting events with registration and payments alongside email Running email and social posting from one account	Businesses with large contact lists that send infrequently Combining marketing email with transactional email and SMS in one account Starting free with automation for a list under 2,000 contacts	Small businesses sending regular newsletters on a tight budget Creators selling digital products, bookings or paid newsletters Teams that want the full feature set without moving to a higher tier
Watch out for	No free plan; a free trial and a 30-day money-back guarantee instead Lite has 1 user, 1 automation template and no email scheduling Custom automations and dynamic content need Premium	The free plan is capped at 300 emails a day and keeps Brevo branding Free and Starter limit automation to 2,000 contacts; A/B testing and send time optimization start on Standard WhatsApp, pop-ups and mobile push need Professional, which starts at $499 a month	The free plan stops at 250 subscribers and sending locks when the limit is passed Comfort caps sending at 5,000 emails a month at 500 subscribers and allows 50 automations and 10 forms Transactional email is a separate product, MailerSend
Made by	Constant Contact, Inc.	Brevo SAS (formerly Sendinblue)	MailerLite Limited

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.