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Comparison Email on Acid vs. Postmark Email Marketing (ESP) Vendor Comparison

Email on Acid and Postmark are Email Marketing (ESP) vendors.

emailonacid.com
Email on Acid Build, test, and optimize email campaigns. They focus on Testing & Analytics.

postmarkapp.com
Postmark Deliver transactional emails quickly and reliably. They focus on Transactional and Deliverability & Hygiene.

Email on Acid or Postmark?
Explore Blurb’s unbiased comparison, created for our community and packed with details that matter for your buying decisions.

Email on Acid

"Build, test, and optimize email campaigns."
Focused on and Testing & Analytics .
Email on Acid provides tools to streamline email workflows. It lets marketers preview emails on over 100 devices and clients, including dark mode. The platform checks deliverability and content errors, ensuring emails display as intended. This reduces quality assurance time and boosts campaign ROI.

Key Features & Benefits

Unlimited email previews
Email on Acid claims that unlimited email previews on 100+ devices ensure messages display as intended on every device.
Comprehensive testing checks
Email on Acid claims that end-to-end content and deliverability checks maximize performance, reduce QA time, and prevent errors.
Deep insights and analytics
Email on Acid claims that deep insights and analytics help drive email ROI with recipient activity data and engagement measures.

Postmark

"Deliver transactional emails quickly and reliably."
Focused on Transactional and Deliverability & Hygiene .
Postmark simplifies the chaos of email delivery. It ensures transactional emails reach recipients rapidly, helping marketers maintain engagement and focus on developing products instead of email problems. The platform is compatible with various programming languages and offers robust API and SMTP integration for seamless workflows.

Key Features & Benefits

Incredible email speed
Postmark claims that their transactional emails are delivered at lightning speed, often in under 1 second.
High deliverability focus
Postmark claims that they maintain exceptional email deliverability by keeping promotional and transactional emails separate.
Exceptional customer support
Postmark claims that they offer reliable, fast, and knowledgeable customer support without additional cost.
Compare all Email Marketing (ESP) Vendors Head-to-Head