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Email Marketing Software with A/B Testing (2026)

Last updated: April 2026

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Why is A/B testing important for email marketing software users?

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

A/B testing allows marketers to optimize email campaigns by comparing different versions of content, subject lines, and designs. It helps identify the most effective elements, thereby increasing open rates and engagement. Of the 217 reviewers who rated A/B testing, 73% rated this feature as important or highly important.

Key features of email marketing software based on insights from 14411 verified reviews

Email Campaign Management: Reviewers highlight the flexibility in creating and scheduling campaigns, the use of automation, and the availability of templates and analytics for optimizing performance. 94% of reviewers rated this feature as important or highly important.
List Management: Users appreciate the ease of segmenting, organizing, and maintaining email lists, which helps in sending targeted campaigns and keeping contact information up-to-date. 88% of reviewers rated this feature as important or highly important.
Mobile Optimization: Reviewers value the ability to preview and optimize emails for mobile devices, ensuring readability and engagement across various screen sizes. 88% of reviewers rated this feature as important or highly important.
Contact Management: Users find it beneficial to have organized contact information with segmentation capabilities, aiding in targeted marketing and efficient follow-ups. 88% of reviewers rated this feature as important or highly important.
Lead Capture: Reviewers highlight the effectiveness of customizable forms and landing pages for acquiring new leads, integrating seamlessly with other marketing tools. 87% of reviewers rated this feature as important or highly important.
CAN-SPAM Compliance: Users emphasize the importance of compliance features like unsubscribe links and opt-out options to maintain legal standards and improve email deliverability. 83% of reviewers rated this feature as important or highly important.