You hit send. Then wait. No reply. No clue if they even opened it.
Email open tracking tools fix that. They tell you exactly when someone opens your email. So you can follow up fast. Close deals. Stay on top of things.
If you do sales, outreach, or send important emails, you need this.
In this guide, you'll find the best tools to track opens, see real-time notifications, and manage your email tracking like a pro.
Quick List of the Best Email Open Tools
1. MailTracker: Clean and invisible tracking for Gmail. No branding. Great for job seekers and professionals. Free plan includes 20 tracked emails/month.
2. Mailsuite: Unlimited tracking on free plan but adds a “Sent with Mailsuite” signature. Paid plans remove branding and add more features.
3. RightInbox: Combines tracking with scheduling, reminders, and templates. Free plan allows 10 tracked emails/month.
4. Streak: Built-in Gmail CRM with tracking and pipeline management. Best for teams and ongoing client relationships.
5. Snov: Tracks opens and clicks, with built-in outreach and CRM tools. Ideal for lead generation and email campaigns.
6. Mailbutler: Works with Gmail, Apple Mail, and Outlook. Adds tracking, scheduling, notes, and more. Great for macOS users.
7. Boomerang: Tracks opens, schedules emails, and includes AI writing help. Free plan includes 10 tracked emails/month.
7 Best Email Open Tracking Tools for 2025
1. MailTracker: Clean, Invisible Email Tracking for Gmail
MailTracker keeps your emails clean and your tracking invisible.
It tracks when your emails are opened in Gmail without adding a signature, watermark, or any visible trace in your message.
What MailTracker Does:
- Installs quickly as Chrome extension. Add now for Free!
- Tracks email opens in real time
- Sends emails with no branding
- Includes a free plan to track up to 20 emails per month
Perfect for Job Applications and Professional Follow-Ups
Over 100,000 use MailTracker also when applying for jobs, like sending a thank-you email after an interview, checking in with a recruiter, or even asking for a day off.
It shows you if your email was opened, how many times, or if it wasn’t opened at all. That way, you know when and how to follow up without guessing.

It’s perfect for job seekers, freelancers, and anyone who wants to make a good impression through email.

The premium version comes with a 7-day free trial and it unlocks:
- Unlimited tracking
- Detailed open history and recipient insights and more

2. Mailsuite: Email Tracker with Visible Signature
Mailsuite is a well-known email tracking tool built for Gmail. It’s widely used by freelancers, marketers, and small teams to stay informed about when their emails are opened.

What Mailsuite Does:
- Provides unlimited email open tracking on the free plan
- Uses checkmarks to show read receipts inside Gmail
- Works directly in the Gmail compose window
- Simple Chrome extension setup
Mailsuite helps you stay in the loop, but it does add a visible line, "Sent with Mailsuite" to emails sent on the free plan. This can affect how your message is perceived, especially in job applications or professional outreach.

Paid plans remove the signature and unlock:
- Click tracking
- Daily reports
- Follow-up reminders
- Advanced insights and productivity tools
Mailsuite is a good option for those who prioritize volume over subtlety. For users who prefer no added signature or branding, MailTracker offers a cleaner experience, even on the free plan.
3. RightInbox: Email Tracking and Productivity in One
RightInbox adds more than just tracking to your Gmail. It’s a full productivity add-on that helps you send smarter, more timely emails.

What RightInbox Does:
- Tracks when emails are opened and when links are clicked
- Lets you schedule emails to send later
- Sets follow-up reminders so nothing gets missed
- Offers templates and recurring email options
The free plan of RightInbox includes 10 emails/month, unlike MailTracker which offers 20 emails/month. Paid plans unlock full access to tracking, scheduling, and productivity tools.
If you are looking for more details about RightInbox, have a look at our article on RightInbox Alternatives.
4. Streak: Email Tracking Inside a Built-In Gmail CRM
Streak turns your Gmail inbox into a lightweight CRM. Along with email tracking, it helps you manage leads, deals, and contacts directly from your inbox.

What Streak Does:
- Shows link clicks and recipient activity
- Lets you build and manage pipelines
- Share workflows with your team
- Offers a full CRM experience within Gmail
Streak is great for sales teams, startups, and professionals who manage a lot of ongoing conversations. It comes with detailed tracking and advanced tools to stay organized. But if all you need is a simple way to see if your email was opened, Streak might feel like too much.
Unlike MailTracker, which keeps things clean and focused on tracking alone, Streak adds extra layers for pipeline and contact management.
Free and paid plans are available, with advanced CRM tools unlocked on premium tiers.
5. Snov: Email Tracking with Built-In Outreach Tools
Snov combines email tracking with outreach features. It’s designed for users who want to track opens, send follow-ups, and manage leads, all in one place.

What Snov Does:
- Tracks email opens and link clicks
- Sends real-time notifications
- Includes no branding in tracked emails
- You can schedule emails and set follow-up reminders
- Offers outreach and CRM tools for sales and marketing
Snov is great for users running campaigns or managing client outreach. It goes beyond tracking by adding automation and lead management.
6. Mailbutler: Email Tracking for Apple Mail, Outlook, and Gmail
Mailbutler is a professional email add-on that brings tracking and productivity tools to Gmail, Apple Mail, and Outlook. It’s designed for users who want more control and organization in their inbox.

What Mailbutler Does:
- Tracks email opens and link clicks
- Sends real-time notifications
- Offers email scheduling and follow-up reminders
- Includes notes, tasks, and smart templates
- Works across major platforms including macOS and Gmail
The free plan includes basic tracking and features. Paid plans unlock more tools for team collaboration and detailed analytics.
If you are looking for more features and how Mailbutler compares with other competitors, have a look at Mailbutler alternatives.
7. Boomerang: Email Tracking with Smart Scheduling and AI
Boomerang is another popular Gmail add-on that combines email tracking with scheduling and AI-powered writing assistance.
It’s built for users who want smart tools to manage when and how they communicate.

What Boomerang Does:
- Tracks when emails are opened
- Lets you schedule emails to send later
- Includes click tracking for links
- Sets automatic follow-up reminders
- Features “Respondable,” an AI tool to help write better emails
The free plan of Boomerang offers 10 emails/month. Upgrading gives access to unlimited tracking, advanced scheduling, and productivity tools.
If you want to know more about Boomerang and how it compares with other tools, have a look at Boomerang Alternatives.
Final Thoughts: Which Email Tracking Tool Is Right for You?
Here’s a quick breakdown to help you pick the best tool based on your needs:
- For simple, clean Gmail tracking: MailTracker. Tracks email opens with no branding. Great for job seekers sending job applications, freelancers, and anyone who wants professional emails without clutter.
- For unlimited free tracking: Mailsuite. Offers unlimited tracking on the free plan, but adds a visible signature ("Sent with Mailtrack").
- For extra email features: RightInbox. Adds scheduling, reminders, and templates on top of open tracking.
- For built-in CRM: Streak. Combines email tracking with contact management and sales pipelines, right inside Gmail.
- For outreach and automation: Snov. Tracks emails and manages lead generation and campaigns from one platform.
- For Apple users or Outlook integration: Mailbutler. A strong pick if you use Apple Mail or want productivity tools across email platforms.
- For scheduling and AI writing help: Boomerang. Tracks emails and helps you write and schedule smarter with built-in AI support.
Track Email Opens for Free With MailTracker
If you want to track email opens without adding extra lines or branding to your messages? MailTracker gives you clean, accurate insights, right inside Gmail.
Get real-time notifications, follow-up reminders, and email tracking that actually helps, whether you're applying for jobs, sending outreach, or managing your inbox.
No watermark. No signature. Just smart tracking that works.
Try MailTracker for free and start sending with confidence.

FAQs About Email Tracking
Is there a free email tracker with no signature?
Yes, MailTracker is a free email tracker for Gmail that offers real-time tracking without branding. Great for job seekers and clean communication.
Comment fonctionne le Tracking des emails ?
Most email tracking software uses a small image called a tracking pixel. When the recipient opens your email and the pixel loads, the tool records the open.
Can I track clicks on links?
Yes. Tools like MailTracker (on premium plans) offer link tracking, so you can see if a recipient clicked a link inside your message.
Does MailTracker offer unlimited email tracking?
The free plan allows 20 tracked emails per month. Upgrade for unlimited email tracking, scheduled messages, and more email tracking features.
Can I track emails sent to multiple recipients?
Yes, but for detailed tracking details like open rates and recipient clicks, individual sends give more accurate data.
Is it good for sales operations?
Absolutely. Many tools include features for sales emails, reporting, advanced segmentation, and email campaigns, especially in premium plans.
What about compatibility with Google Workspace?
Most tools work smoothly with Google Workspace and support team-based usage.