Mailcastr - Email tracker for free.

Know when your emails are read.

Mailcastr - Free Email Tracker for Gmail & Android

Mailcastr - Email tracker for free is a Chrome extension that provides email tracking for Gmail and Android. The app allows you to see when your emails are opened and how many times, providing invaluable data that can help increase reply rates. It also reveals the location, device, and duration of email viewing. Real-time notifications inform you when an email is opened or replied to. With the easy integration into Gmail and GSuite, it's an efficient alternative to Mailtrack and Yesware.
Install from Chrome Web Store

Extension stats

Manifest V2
Users: 4,000+
Rating: 4.35
(103)
Version: 3.6.14 (Last updated: 2021-12-15)
Creation date: 2019-11-13
Permissions:
  • https://mail.google.com/*
  • *://*.googleusercontent.com/proxy/*
  • *://*.mailcastr.com/*
  • storage
  • webRequest
  • webRequestBlocking
Size: 1.64M
URLs: Website
Full description: See detailed description

Other platforms

Not available on Android
Not available on Firefox
Mailcastr - Email tracker for free. (v3.6.14)
1,696+ 1.00 (2)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use
  • Notifies users when emails are read
  • Helps track responses and interaction with emails
  • Good integration with mobile devices
  • Affordable compared to similar tools
Cons
  • Doesn't work consistently on some devices (Android, Windows)
  • Difficult to uninstall or remove from Gmail account
  • Some features do not function as advertised
  • Frequent popups and ads after free trial expires
  • Customer support issues and lack of effective follow-up
Most mentioned
  • Not working on some devices
  • Difficulty removing addon from Gmail
  • Popup spam after free trial
  • Inconsistent tracking of emails
  • User-friendly interface
User reviews
Doesn't work.
by Michel van Zelst, 2022-03-07

"Your free trial expires today" popup spam
by Kai Jasinski, 2020-09-17

Does not work on my android 9 device and win 7 PC. Repeatedly asks for gmail log in, but without any success. Used to work earlier on my phone.
View all user reviews

Extension safety

Risk impact

Mailcastr - Email tracker for free. requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ******* ****** ** *** ********* ******** *********** ********************** *************
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Mailcastr - Email tracker for free.. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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