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7 Best Email Trackers for Gmail and Outlook [+ Features] [2025]

While many email trackers appear to offer the exact same deal, the amount of features they offer and the likelihood of them sending your emails to spam can be very different.

The result of choosing the wrong email tracking software (cheap or free) can be a disappointing, even painful experience. 

I’ve tested some of the most popular email trackers and rated them based on different criteria, so you can easily find the one that’s best for you.

Before we find out who came out on top, let’s take a look at the scoring system. 


Email Tracker Ranking: Our Methodology

To compile this ranking, I reviewed a list of about 30 possible email trackers to make a shortlist. I then tested each of the 10 selected pakistan phone number data email trackers, disqualified 3 others , researched which of the remaining 7 trackers offered which features, and detailed all of this for you below.

I systematically evaluated these email trackers based on three important criteria:

  1. Email Tracking Features How strong is the email tracking tool functionality?
  2. Email Deliverability : Are Your Tracked Emails Still Landing in the Inbox… or Spam? 
  3. User Review : How do real users rate the email tracker?

Additionally, I’ve indicated what Is conversion rate and how to calculate It whether they work with Gmail and/or Outlook …and their starting price .

Here are some more details on the rating  (or feel free to skip this ! )

Email Tracking Features

When it comes to email tracking features, I looked for this essential feature: 

  1. Unlimited email c phone number tracking (no limitation on the number of emails tracked)
  2. Track email clicks , not just email opens
  3. Automatically filters your own (and your team’s) opens and clicks.
  4. Built-in website tracking, so you can follow your leads beyond the click.
  5. Also available via a mobile app , not just on your desktop
  6. Removes and replaces tracking previous emails in a thread to only track emails.
  7. Send live notifications in browser, Outlook and/or mobile app

This results in a score of x/7.

Email Deliverability

To determine the impact of each tool on email deliverability, I looked at each tool’s vulnerability to misuse by malicious actors (which can impact your emails being sent to spam):

  • Uses multiple tracking domains
  • Uses a custom tracking subdomain per customer
  • Use the same subdomain for all links in the email (opens, clicks, unsubscribes, …)

…and I put each tool through a rigorous email deliverability test using MailReach. 

This results in a score of x/3 and y/10, of which I take the average.

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