10 Best Email Analytics Tools for Founders [2026 Updated]

1. Litmus

• Type: Paid
• URL: https://www.litmus.com/email-analytics
• Overview: Litmus Email Analytics provides deep campaign-level insights beyond opens and clicks, including read time, device and client usage, and Dark Mode reporting to help optimize creative and sending strategy. It integrates with major ESPs and offers custom reports and an API for programmatic access.

2. Email on Acid

• Type: Paid
• URL: https://www.emailonacid.com/email-analytics/
• Overview: Email on Acid’s analytics offers engagement-time thresholds, heatmaps, click tracking, and device/client breakdowns to reveal how recipients interact with email content. It filters prefetch opens and provides geolocation and client-specific insights to improve targeting and design decisions.

3. Validity (Return Path / Everest)

• Type: Paid
• URL: https://www.validity.com/products/ReturnPath/
• Overview: Validity (formerly Return Path) offers enterprise-level email analytics focused on deliverability, inbox placement, reputation monitoring, and program health through the Everest suite. It provides industry benchmarking, inbox monitoring, and actionable guidance to recover and maintain inbox placement.

4. Twilio SendGrid

• Type: Paid
• URL: https://sendgrid.com/
• Overview: Twilio SendGrid delivers comprehensive email analytics and deliverability insights including processed/delivered counts, mailbox-provider breakdowns, open/click trends, and Deliverability Insights dashboards to troubleshoot and optimize sending. It also exposes event data and engagement scoring via APIs and webhooks for deeper analysis.

5. Mailgun

• Type: Paid
• URL: https://www.mailgun.com/
• Overview: Mailgun provides developer-focused email analytics and deliverability tooling including detailed event logs (opens, clicks, bounces), campaign reporting, and deliverability diagnostics to monitor message health and recipient engagement. It supports programmatic access to metrics and advanced logs for custom analytics workflows.

6. Klaviyo

• Type: Paid
• URL: https://www.klaviyo.com/
• Overview: Klaviyo combines robust email campaign analytics with customer and revenue attribution, offering cohort analysis, segmentation performance, and revenue-per-email tracking to tie email engagement to business outcomes. Its reports highlight flows, benchmarks, and lifetime value metrics for data-driven email optimization.

7. Mailchimp

• Type: Free
• URL: https://mailchimp.com/
• Overview: Mailchimp provides campaign analytics (opens, clicks, CTR, A/B test results) plus audience insights and comparative benchmarks, allowing marketers to monitor campaign performance and experiment with creative and send strategies. Advanced reporting and attribution are available on higher-tier plans for deeper analysis.

8. SparkPost

• Type: Paid
• URL: https://www.sparkpost.com/
• Overview: SparkPost offers real-time delivery and engagement analytics, detailed event streams, and deliverability tools including engagement segmentation and forensic delivery diagnostics to optimize sending and inbox placement. Its analytics APIs enable custom dashboards and automated monitoring of email health.

9. Postmark

• Type: Paid
• URL: https://postmarkapp.com/
• Overview: Postmark focuses on transactional email analytics with detailed activity streams, delivery metrics, bounce handling, and open/click reporting to ensure reliable deliverability and monitor message-level performance. It provides clear event logs and webhooks for integrating message analytics into internal systems.

10. Campaign Monitor

• Type: Paid
• URL: https://www.campaignmonitor.com/
• Overview: Campaign Monitor supplies campaign reporting (opens, clicks, geographic and device breakdowns), engagement trends, and subscriber analytics plus A/B testing insights to optimize creative and list segmentation. It also includes revenue tracking integrations and shareable, exportable reports for stakeholders.