DoubleZero vs MailerLite: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision

DoubleZero
DoubleZero is a free, open-source email service you can host yourself using AWS SES for sending and monitoring emails.

MailerLite
MailerLite is an easy email marketing platform that helps you create beautiful newsletters, build websites, and automate your marketing campaigns.

DoubleZero
DoubleZero is a free, open-source email service you can host yourself using AWS SES for sending and monitoring emails.

MailerLite
MailerLite is an easy email marketing platform that helps you create beautiful newsletters, build websites, and automate your marketing campaigns.
DoubleZero
Self-hosted email service with AWS SES integration
Email monitoring dashboard with delivery tracking
Multi-recipient tracking and analytics
REST API and JavaScript client library
Open source and fully customizable
Docker container deployment
SST automated AWS configuration
Pro version with WYSIWYG editor and automation
Contact and list management capabilities
Team collaboration features
MailerLite
Drag-and-drop email editor with 70+ content blocks
Marketing automation with behavioral triggers
Landing page and website builder
Unlimited emails on all plans
Advanced audience segmentation
A/B and multivariate testing
Real-time analytics and reporting
Sell digital products with Stripe
AI writing assistant for content
Facebook custom audiences integration
24/7 customer support
Pop-ups and signup forms
DoubleZero
DoubleZero offers two pricing options that stand out from typical subscription services.
The Free Version is completely open source and available at no cost. You can download the code, host it yourself, and use all core features including transactional emails, monitoring dashboard, multi-recipient tracking, SMTP endpoint, and REST API access. Your only costs are AWS SES fees, which are extremely low at around $0.10 per thousand emails.
The Pro Version costs $175 as a one-time purchase. This is not a monthly subscription. You buy it once and own it forever. Pro adds powerful features including a WYSIWYG email editor, contact management system, email lists, broadcast campaigns, team collaboration tools, activity feed, and automation workflows.
Both versions require you to provide your own AWS account and hosting, giving you complete control and keeping ongoing costs minimal.
MailerLite
MailerLite offers flexible pricing to fit different business needs. The Free plan supports up to 500 subscribers with 12,000 monthly emails, including essential features like automation, landing pages, and 24/7 support for 14 days.
The Growing Business plan starts at $10 per month for 500 subscribers and adds unlimited templates, dynamic emails, multivariate testing, and the ability to sell digital products. The Advanced plan at $20 per month includes smart sending, Facebook integration, custom HTML editor, enhanced automation, and an AI writing assistant.
For large businesses, the Enterprise plan offers unlimited user seats, dedicated support, a success manager, and priority deliverability consultation. MailerLite also provides Transactional Email plans starting at $7 per month, with separate pricing for high-volume email sending via API.