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12 Mailflagger Alternatives for Android, Ranked (2026)

Explore 12 alternatives to Mailflagger — vetted by our editors with real user reviews, pricing, and feature comparisons.

The best Mailflagger alternatives, ranked by SpotScore

Quick answer

Looking for a Mailflagger alternative? The top picks are Boomerang for Gmail, Email Tracker and ReachInbox. Boomerang for Gmail comes out ahead with a SpotScore of -1 and a 4.4★ rating. See all 12 compared on score, rating, and price below.

Price, missing features, or a steep learning curve will make any team rethink Mailflagger. These 12 email tracking software alternatives are the options we'd put on your shortlist. We rank by SpotScore (real-user satisfaction and market presence), then ratings and pricing. Editors review every entry. Glance at the table, then read on.

ProductSpotScoreRatingPricingBest for
Boomerang for GmailEffortlessly manage your email with one click.★★★★ 4.4(353)Freefrom $4.99/moteams of all sizes
Email TrackerBoost email impact with real-time insightsNot yet ratedFreeFreemiumfreelancers & individuals
ReachInboxReach further. Connect better.Not yet ratedFreeFree Trial · Subscriptionteams of all sizes
InboxigniterMaximize email deliverability and engage your audience effectively.Not yet ratedOpen-sourceteams of all sizes
Mail TrackBoost open rates and stay in control of your inbox.Not yet ratedFreeFreemium · Subscriptionfreelancers & individuals
Email Tracking for ZendeskEnhance communication and boost productivity with real-time email tracking.Not yet ratedSubscriptionteams of all sizes
ReadNotifyUnleash the power of email tracking.★★☆☆☆ 2.2(1)FreeFree Trial · Subscriptionsmall & mid-size businesses
RangeflowSimplify outreach, maximize efficiency with Rangeflow.Not yet ratedFreeFree Trial · Quotation Based · Subscriptionteams of all sizes
OpenedOrNotTrack, analyze, and optimize your Gmail emails with ease.Not yet ratedFreeFreemiumsmall & mid-size businesses
ReplybuttonMaximize your email effectiveness with Replybutton.Not yet ratedFreeFree Trial · Freemium · Subscriptionteams of all sizes
Email MeterUnleash the power of your email data.★★★★ 4(35)FreeFreemium · Subscription · Quotation Basedteams of all sizes
MailTrackSmart Email Tracking and Productivity for Gmail★★★★★ 4.5(275)FreeFree Trial · Freemium · Subscriptionteams of all sizes
Boomerang for Gmail - New SaaS Software

Boomerang for Gmail

Effortlessly manage your email with one click.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Boomerang for Gmail?

Boomerang for Gmail is a sophisticated automated message generation and email management system. This might just be the ideal piece of software for business owners and professionals who wish to confidently manage their emails. One needs to enter the message in the text box and choose ‘Send ...

Read more about Boomerang for Gmail
Free TrialTry Free →·

Boomerang for Gmail offers custom pricing plan

Email Tracker logo

Email Tracker

Boost email impact with real-time insights

Best for: SMB teams

Try for Free

Add to compare

What is Email Tracker?

"Email Tracker is a cutting-edge Chrome extension revolutionizing email management for Gmail users. Seamlessly integrated into Gmail, this powerful tool offers real-time tracking of email opens and clicks, providing users with valuable insights into recipient engagement. With its intuitive ...

Read more about Email Tracker

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ReachInbox

ReachInbox

Reach further. Connect better.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is ReachInbox?

ReachInbox is an email outreach platform that supports unlimited email accounts and uses AI to personalize cold email campaigns at scale. Its Onebox system centralizes multiple inboxes for easier management, with automation and personalization targeting improved lead and meeting volumes.

Read more about ReachInbox
Free Trial
Inboxigniter

Inboxigniter

Maximize email deliverability and engage your audience effectively.

Best for: SMB teams · Mid-market · Enterprise

Get Pricing Details

Add to compare

What is Inboxigniter?

Elevate your email marketing game with InboxIgniter, your ultimate solution to enhancing email deliverability and succeeding in your outreach campaigns. With a focus on optimizing your inbox warmup process, InboxIgniter leverages cutting-edge AI technology to prepare your mailbox for deploying ...

Read more about Inboxigniter
Mail Track

Mail Track

Boost open rates and stay in control of your inbox.

Best for: SMB teams

Try for Free

Add to compare

What is Mail Track?

Experience the power of Mail Track for Gmail – the premier email tracking solution that's changing the game in keeping your inbox under control. Tailored specifically for Gmail users, this innovative tool offers a guaranteed way to stay in the know and gain unparalleled insights into your email ...

Read more about Mail Track

Starts from $2.99/user / month when Billed Yearly, also offers free forever plan

Email Tracking for Zendesk

Email Tracking for Zendesk

Enhance communication and boost productivity with real-time email tracking.

Best for: SMB teams · Mid-market · Enterprise

See Plans & Pricing

Add to compare

What is Email Tracking for Zendesk?

Experience the power of enhanced communication with Email Tracking for Zendesk. Our innovative add-on revolutionizes how you manage emails, offering complete control and visibility over your correspondence. Say goodbye to uncertainty and hello to efficiency as you track the exact moment each ...

Read more about Email Tracking for Zendesk

Starts from $1.67/user / month when Billed Yearly

ReadNotify

ReadNotify

Unleash the power of email tracking.

Best for: SMB teams · Mid-market

Start Free Trial

Add to compare

What is ReadNotify?

Introducing ReadNotify, a revolutionary email tracking solution that lets you monitor your emails and documents in just minutes. With the tagline "Track Email in Minutes," ReadNotify offers a reliable and easy-to-use platform for tracking the interactions with your correspondence. Gone are the ...

Read more about ReadNotify
Free TrialTry Free →·

Starts from $3.99/month when Billed Yearly

Rangeflow

Rangeflow

Simplify outreach, maximize efficiency with Rangeflow.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Rangeflow?

Introducing Rangeflow, the ultimate Email Outreach Machine designed for seamless communication. With its robust capabilities, Rangeflow simplifies the process of prospecting and collaboration, eliminating the need for complicated tools or procedures. Empowering users to maximize their ...

Read more about Rangeflow
Free TrialTry Free →·

Starts from $29.00/month when Billed Yearly

OpenedOrNot

OpenedOrNot

Track, analyze, and optimize your Gmail emails with ease.

Best for: SMB teams · Mid-market

Try for Free

Add to compare

What is OpenedOrNot?

Introducing OpenedOrNot, a cutting-edge Email Tracking Tool tailor-made for Gmail users. With its tagline "Email Tracking Tool for Gmail," OpenedOrNot is designed to provide users with detailed insights and real-time updates on their email activity. OpenedOrNot goes beyond traditional email ...

Read more about OpenedOrNot
Replybutton - New SaaS Software

Replybutton

Maximize your email effectiveness with Replybutton.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Replybutton?

Replybutton automates personalized email outreach to multiple contacts simultaneously, replacing manual follow-up sequences. Its analytics track reply rates and engagement per email, helping sales teams identify the most engaged prospects and prioritize their pipeline.

Read more about Replybutton
Free Trial·

Starts from $14/User/Month when Billed Yearly, also offers free forever plan

Email Meter - New SaaS Software

Email Meter

Unleash the power of your email data.

Best for: SMB teams · Mid-market · Enterprise

Try for Free

Add to compare

What is Email Meter?

Email Meter is the top choice for email analytics and provides companies with essential employee performance and productivity insights. With Email Meter's statistics on how you use your Gmail or G Suite account, businesses can make well-informed decisions with data to back it up. Get a ...

Read more about Email Meter

Starts from $15/User/Month when Billed Yearly, also offers free forever plan

MailTrack - New SaaS Software

MailTrack

Smart Email Tracking and Productivity for Gmail

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

watch-demo

Watch Demo

What is MailTrack?

Mailtrack is a simple yet powerful email tracking solution designed to help professionals stay informed about the status of their emails. Built for sales teams, marketers, freelancers, educators, and business owners, it provides real-time notifications to know when and how often emails are ...

Read more about MailTrack
Free TrialTry Free →·

Starts from $0/user/month when monthly, also offers free forever plan

Why these Mailflagger alternatives made the cut

Boomerang for GmailBest for teams of all sizes

Automated email scheduling

Watch for: Limited to Gmail users

Email TrackerBest for freelancers & individuals
ReachInboxBest for teams of all sizes
InboxigniterBest for teams of all sizes
Mail TrackBest for freelancers & individuals
Email Tracking for ZendeskBest for teams of all sizes
ReadNotifyBest for small & mid-size businesses
RangeflowBest for teams of all sizes
OpenedOrNotBest for small & mid-size businesses
ReplybuttonBest for teams of all sizes
Email MeterBest for teams of all sizes

Clear breakdowns of email volume by time, day and week help identify team strengths and weaknesses.

MailTrackBest for teams of all sizes

Mailtrack provides instant notifications when an email is opened or a link is clicked, enabling users to follow up promptly and optimize communication timing.

Watch for: While integration with Gmail is excellent, Mailtrack has limited compatibility with other popular email platforms, which may restrict usage for non-Gmail users.

The things that matter when replacing Mailflagger

Here's how the 12 alternatives compare at a factual level: 10 offer a free tier; paid plans run $4.99, with Boomerang for Gmail the cheapest entry point; and MailTrack is the highest rated at 4.5 across 275 reviews.

How the order works.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Mailflagger are MailTrack (4.5★), Boomerang for Gmail (4.4★), Email Meter (4.0★). Compare all 12 alternatives side-by-side above.

When evaluating alternatives to Mailflagger, prioritize: Email Tracker, Monitoring, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Mailflagger is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to decide on a Mailflagger alternative

  • On a budget / just exploring: start with a free tier — Boomerang for Gmail, Email Tracker and ReachInbox let you evaluate without paying upfront.
  • If real-user ratings matter most: MailTrack has the strongest star rating (4.5★) among the options with verified reviews.
  • Want the safest pick: Boomerang for Gmail has the highest Spotsaas Score (-1) in this list — a strong default if you're unsure.

Making the move from Mailflagger

A clean break from Mailflagger starts with your data. Export it, verify the new tool can take it in, and check that your core workflows carry over. Pilot the switch with a small team or project before going all in, and don't cancel Mailflagger until the migration's finished. Free trials above make testing low-risk.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].