Best Free Email Marketing Tools (And Their Limits)

Compare free plans for Mailchimp, ConvertKit, Brevo. Contact limits, send limits, and when you'll pay.

📊 Ranked by estimated monthly cost (advertised price + recurring documented fees)•🔄 Prices change often — confirm on the vendor's site before buying.•5 tools compared
#1

Brevo

All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Free to $18/mo is attr

$0/mo$27/mo

estimated monthly cost (advertised + recurring fees)

Daily Send Limit on Free: +$9/moBrevo Logo on Free & Starter: +$9/moLanding Pages & A/B Testing Paywall: +$9/mo
#2

SendGrid

Twilio's email delivery platform for transactional and marketing emails. Free for 100 emails/day, th

$0/mo$105/mo

estimated monthly cost (advertised + recurring fees)

Dedicated IP Required for Deliverability: +$30/moEmail Validation Add-On: +$50 per useOverage Email Charges: +$25/mo
#3

ConvertKit

Creator-focused email marketing platform (now branded as Kit). Free for 10,000 subscribers but limit

$0/mo$109/mo

estimated monthly cost (advertised + recurring fees)

Subscriber-Based Pricing Scaling: +$50/moFree Plan Send Restriction: +$29/moNo A/B Testing on Free or Creator: +$30/mo
#4

Mailchimp

Email marketing platform with automation. Free for 500 contacts, then contact-based pricing creates

$0/mo$113/mo

estimated monthly cost (advertised + recurring fees)

Unsubscribed Contacts Count: +$30/moSteep Contact Tier Scaling: +$50/moPay-As-You-Go Email Credits: +$20 per use
#5

Klaviyo

E-commerce email and SMS marketing platform. Free for 250 contacts, then contact-based pricing that

$0/mo$205/mo

estimated monthly cost (advertised + recurring fees)

Steep Contact-Based Scaling: +$100/moSMS Credits Charged Separately: +$75/moEmail Send Limits Per Tier: +$30/mo

Compare These Tools Side-by-Side

Enter your usage and see which tool is cheapest for YOUR specific needs.

Open Calculator