You send outreach after outreach… and then silence. No idea if your emails were opened, ignored, or just buried under a hundred others. That uncertainty can stall deals before they even begin.

Sales reps using tracked follow-ups see up to 70% higher response rates, according to recent reports. Knowing exactly when a prospect opens your message makes follow-up timing smarter—and way more effective.

This post covers the best email tracking tools for 2025 to help you stop guessing and start closing. From real-time notifications to automation features, we’ve compared what matters—so you can pick the email tracking software that fits your workflow and actually helps you sell more.

How I choose the Top 6 Email Tracking Software

To help sales reps and teams find tools that actually support their outreach goals, I followed a clear set of criteria when selecting these six email tracking solutions.

Here’s what guided the selection:

• Real-Time Tracking Accuracy
  Each tool had to provide reliable open and click tracking, with notifications that help time follow-ups effectively.
  
• Sales-Focused Features
  I looked for software built with sales use cases in mind—like email sequences, templates, CRM sync, and reporting.
  
• Ease of Use
  Tools were selected based on how easy they are to install, set up, and use inside Gmail or Outlook without constant tech support.
  
• Scalability for Teams
  Whether you're a solo rep or part of a growing sales team, each platform had to offer flexible plans and collaborative features.
  
• Value for Price
  I compared what you get at each pricing tier to make sure these tools are worth the investment, whether you’re starting free or scaling up.

Not all tools are built the same. Before choosing any solution, it’s worth understanding which features actually help drive results for sales outreach.

Looking for a full platform that combines email tracking with outreach automation? Stamina's Sales Engagement platform offers real-time tracking, sequences, and analytics—designed to help reps send smarter emails, faster.

1. Stamina (Best all-in-one tool for agencies)

Stamina combines real-time email tracking with automation, analytics, and team collaboration features—built specifically for high-performing sales teams.

Built with sales teams in mind, Stamina focuses on making outreach more efficient and data-driven. It’s not just about tracking opens—it’s about knowing when and how prospects engage, so reps can follow up with better timing and sharper messaging. 

With built-in automation and reporting, Stamina helps teams move faster and close more.

Email Tracking Features

• Real-time open and link click tracking
  
• Smart send-time suggestions based on engagement patterns
  
• Instant desktop and mobile notifications when emails are opened
  
• Automated follow-ups triggered by email activity
  
• Reply tracking with engagement scoring
  
• Link tracking with click insights
  

Compatible with

• Gmail
  
• Outlook
  

Best for

• Sales reps and SDRs who want everything in one place—tracking, outreach, and analytics
  

Pros

• Easy to use with minimal setup
  
• Clear visibility into prospect activity
  
• Powerful automation combined with tracking
  
• Team-level insights and performance tracking

Cons

• Currently optimized more for outbound sales than general marketing use

Pricing

• Free trial available- Demo
  
• Custom pricing based on team size and features
  
• Visit Stamina pricing page for full plan details

2. Streak

Streak is a CRM that lives inside Gmail and includes built-in email tracking software for sales reps who prefer working directly from their inbox.Streak is ideal for users who don’t want to leave Gmail to manage outreach. 

It turns your inbox into a lightweight CRM with powerful tracking features layered on top. Whether you're running small campaigns or keeping tabs on high-priority leads, Streak makes it easy to stay organized and respond at the right moment—all without switching tools.

Email Tracking Features

• Real-time open tracking inside Gmail
  
• View email activity directly in message threads
  
• Email scheduling with engagement history
  
• Automated follow-up reminders based on opens
  
• Snippets and templates for faster replies
  
• Mail merge with tracking for outreach campaigns
  

Compatible with

• Gmail only
  

Best for

• Founders and individual reps managing outreach inside Gmail
  

Pros

• Native Gmail integration
  
• Clean, intuitive interface
  
• Combines CRM and email tracking in one place
  
• Easy to manage contacts and pipelines
  

Cons

• Not compatible with Outlook
  
• Lacks advanced team features or analytics at scale
  

Pricing

• Free plan with basic tracking
  
• Paid plans start at $15/user/month
  
• Advanced tracking features available on Pro and higher tiers

3. Mailsuite

Mailsuite (formerly Mailtrack) is a simple and reliable email tracking software built specifically for Gmail users. It gives you the basics—opens, clicks, and follow-ups—without any extra noise, making it a great pick for reps who want to keep things straightforward.

It’s especially useful for individual reps, founders, or consultants who don’t need full CRM features but still want real-time engagement insights. With clean tracking and reporting inside Gmail, Mailsuite keeps outreach quick and focused.

Email Tracking Features

• Real-time open tracking with checkmark indicators
  
• Click tracking with link activity logs
  
• Email scheduling and reminders
  
• Daily reports on open and click activity
  
• Campaign and list tracking for outreach
  

Compatible with

• Gmail only
  

Best for

• Solo reps and entrepreneurs using Gmail for direct outreach
  

Pros

• Very easy to set up and use
  
• Clean tracking visuals inside the inbox
  
• Affordable pricing for individuals
  
• Lightweight and fast
  

Cons

• Gmail only—no Outlook support
  
• No built-in CRM or advanced automation features
  

Pricing

• Free plan with basic tracking
  
• Paid plans start at $5.99/month
  
• Advanced features available on Pro and Teams plans

4. Mixmax

Mixmax is built for sales reps who live in Gmail and want more control over their outreach. It blends email tracking with automation, templates, and scheduling—all inside your inbox. What stands out is how it makes follow-ups feel smarter, not just faster.

The platform is especially strong in helping reps understand what’s working in their emails through detailed engagement data. For anyone running personalized outreach at scale, Mixmax helps keep it consistent without losing that personal touch.

Email Tracking Features

• Real-time open and click tracking
  
• Engagement timeline showing recipient activity
  
• Email sequences with step-by-step tracking
  
• One-click meeting scheduling inside emails
  
• Reply tracking and automatic follow-ups
  
• Email templates with performance metrics
  

Compatible with

• Gmail (via Chrome extension)
  

Best for

• Sales reps and business development teams sending high-volume, personalized outreach
  

Pros

• Deep email engagement visibility
  
• Automation without losing personalization
  
• Seamless Gmail experience
  
• Built-in scheduling tools and polls
  

Cons

• Gmail only
  
• Advanced features come at higher pricing tiers
  

Pricing

• Free plan with basic tracking
  
• Paid plans start at $34/user/month
  
• Team and enterprise plans include advanced analytics and sequences
  

5. Yesware

Yesware is a well-known email tracking tool built with sales teams in mind. It works directly inside Gmail and Outlook, helping reps track opens, clicks, and replies without switching tabs. It also offers powerful reporting features that show what’s driving engagement across your outreach.

For teams looking to improve follow-up timing and message quality, Yesware delivers both individual and team-level insights. It’s a solid fit for growing teams that want reliable tracking with just enough automation.

Email Tracking Features

• Real-time open and click tracking
  
• Campaign-level tracking for sequences
  
• Reply tracking with insights
  
• Meeting scheduling inside emails
  
• Custom templates with performance stats
  
• Team reports and dashboard analytics
  

Compatible with

• Gmail
  
• Outlook
  

Best for

• Sales teams looking for tracking, templates, and analytics inside their inbox
  

Pros

• Reliable tracking for opens, clicks, and replies
  
• Works natively in both Gmail and Outlook
  
• Detailed analytics for individuals and teams
  
• Easy to use with minimal learning curve
  

Cons

• Limited CRM functionality
  
• Pricier than some alternatives for small teams
  

Pricing

• Free trial available
  
• Paid plans start at $19/user/month
  
• Advanced tracking and analytics on Premium and Enterprise plans
  

6. HubSpot Sales Hub

HubSpot Sales Hub offers more than just email tracking software—it’s a full sales platform that includes tracking, pipeline management, and automation. For teams already using HubSpot’s CRM, it’s a natural extension that makes email engagement part of a bigger system.

It’s especially useful for sales managers and reps who want to see how outreach connects to deal progress. With tracking built into every touchpoint, HubSpot helps sales teams understand what’s working at every stage.

Email Tracking Features

• Real-time open and click tracking
  
• Email sequences with activity tracking
  
• Engagement reporting across contacts and deals
  
• Meeting scheduler and calendar integration
  
• Templates with performance metrics
  
• Automated follow-up tasks based on activity
  

Compatible with

• Gmail
  
• Outlook
  

Best for

• Sales teams already using HubSpot CRM or looking for an all-in-one platform
  

Pros

• Seamless integration with CRM and other tools
  
• Tracks full engagement history
  
• Great for aligning outreach with sales pipeline
  
• Built-in automation and analytics
  
  

Cons

• Can be complex for small teams with basic needs
  
• Key features available only on higher-tier plans
  

Pricing

• Free plan with basic email tracking
  
• Paid plans start at $20/user/month (Starter)
  
• Advanced tracking on Professional and Enterprise tiers

How Stamina Helps Sales Teams Track & Optimize Emails

Stamina is built to solve the biggest email tracking pain points for modern sales teams—missed follow-ups, poor timing, and lack of insight. It brings tracking, automation, and reporting into one place, so teams can focus more on closing deals and less on guessing who's engaged.

Here’s how Stamina stands out for sales outreach:

Real-Time Engagement Insights

• Instantly know when a prospect opens an email or clicks a link
  
• Track replies and engagement across sequences
  
• Surface high-intent leads based on activity patterns

Better Follow-Up Timing

• Get notified the moment a lead interacts with your email
  
• Use timing suggestions to follow up when interest is high
  
• Prioritize outreach based on real engagement data

Built for Team Performance

• Share templates and sequences across the team
  
• Track how each rep’s emails are performing
  
• Identify winning templates and outreach strategies

Time-Saving Automation

• Create multi-step sequences with auto follow-ups
  
• Stop sequences automatically once a prospect replies
  
• Schedule emails based on recipient engagement history

Integrated With Your Workflow

• Works inside Gmail and Outlook
  
• Syncs with your CRM and calendar
  
• Central dashboard for managing campaigns, templates, and analytics

To see how it fits your sales workflow, check out Stamina’s Sales Engagement Platform.

Conclusion

Sending emails without knowing if they’re being opened or read can leave sales reps working in the dark. That’s where email tracking software makes a real difference. It helps reps spot interested leads, follow up at the right moment, and improve their outreach based on actual engagement—not assumptions.

Every team works differently. Some may need lightweight tracking, while others benefit from deeper insights, automation, or CRM integration. The tools covered here offer a range of options for different needs, budgets, and inbox setups.

If you’re serious about improving response rates and closing more deals, testing a few best email tracking tools is a smart move. And if you're looking for a platform built with sales teams in mind, complete with real-time data and automation—

Book a Demo with Stamina to see how it can fit into your workflow.