DoubleZero vs Maileroo: 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.
Maileroo
Maileroo is a reliable email delivery platform offering SMTP relay and email marketing tools with real-time tracking for businesses.
DoubleZero
DoubleZero is a free, open-source email service you can host yourself using AWS SES for sending and monitoring emails.
Maileroo
Maileroo is a reliable email delivery platform offering SMTP relay and email marketing tools with real-time tracking for businesses.
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
Maileroo
SMTP relay for reliable email sending
RESTful Email API with webhooks
Email marketing platform with templates
Real-time tracking and analytics
Free email verification tool
Dedicated IP addresses available
Inbound email routing
Contact list management
Automated email sequences
Form builder for signups
Two-factor authentication
GDPR compliant infrastructure
WordPress plugin available
Blacklist monitoring included
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.
Maileroo
Maileroo offers flexible pricing to fit different business needs. All plans include access to every feature, with differences only in sending limits.
Email API Plans:
Free Plan: Send 3,000 outbound emails and receive 1,000 inbound emails monthly at no cost.
Starter Plan ($10/month): Includes 25,000 outbound and 25,000 inbound emails per month.
Growth Plan ($30/month): Provides 100,000 outbound and 100,000 inbound emails monthly.
Email Marketing Plans:
Free Plan: Send 500 marketing emails with no automation sequences included.
Marketing Plan ($45/month): Send 100,000 marketing emails with 10 automation sequences included.
All plans come with dedicated IP addresses, real-time analytics, email verification API, security features, and live chat support. Custom enterprise pricing is available for businesses needing more than 100,000 emails per month.