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Head-to-head · Email Tracking Software

Mailproof vs Boomerang

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Mailproof #5 in Email Tracking Software 8.8/10 Free plan Free plan✓ 3 of 4 features Visit Mailproof
Boomerang #7 in Email Tracking Software 8.6/10 Free plan · 30-day trial Free planFree trial✓ 2 of 4 features Visit Boomerang

Mailproof leads on 0 checks, Boomerang on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailproof · 8.8/10
  • Free planboth
  • Free trialonly Boomerang
  • Most featuresMailproof · 3 of 4

Mailproof scores higher on our rubric for email tracking software: 8.8 against 8.6 out of 10; our editors rank them #5 and #7.

Mailproof is the better fit for budget-conscious Gmail users tracking opens and clicks. Boomerang is the better fit for gmail or Outlook users wanting tracking and reminders.

  • Mailproof fits best

    Budget-conscious Gmail users tracking opens and clicks

  • Boomerang fits best

    Gmail or Outlook users wanting tracking and reminders

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Mailproof 8.8/10 Visit ↗ Boomerang 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #5 in Email Tracking Software #7 in Email Tracking Software
Best for Budget-conscious Gmail users tracking opens and clicks Gmail or Outlook users wanting tracking and reminders
Pricing model Free plan + paid Free plan + paid
Starting price $4.99/mo —
Free plan ✓ ✓
Free trial — 30 days
Deployment Cloud, Browser extension Browser extension, Mobile
Platforms Web, Chrome extension Chrome extension, iOS, Android
Integrations 1 integrations 13 integrations
Features Mailproof 3/4 · Boomerang 2/4
Open tracking ✓ ✓
Link tracking ✓ (best) Not checked yet
Reply tracking Not checked yet ✓ (best)
Activity alerts ✓ (best) Not checked yet
Specs
Email client support Gmail Not checked yet
CRM integrations 0 Not checked yet
Our review
Pros
  • Tracks email opens and link clicks in Gmail
  • Pro adds real-time tracking and alerts
  • Includes scheduling, templates, and detailed analytics
  • Tracks responses, read receipts, and link clicks
  • Adds scheduled sending and reminders for unanswered emails
  • Connects with CRM, meeting, and email platforms
Cons
  • Focused on Gmail rather than multiple email clients
  • Free plan has conflicting tracked-email limits
  • No CRM integrations or reply tracking listed
  • Basic limits users to 10 message credits per month
  • Gmail support is listed for Personal, not Outlook
  • Premium features such as track by default cost $49.98 per user monthly, billed annually
Our verdict

Mailproof brings email open and link-click tracking to Gmail through a Chrome extension and website. It is aimed at sales representatives, recruiters, freelancers, founders, and other Gmail users who want visibility into recipient…

Read the review →

Boomerang adds email timing and engagement tools to Gmail and Outlook, with apps for iPhone and Android. It suits individuals and teams that want to schedule messages, track opens, clicks, and replies, and receive reminders when recipients…

Read the review →
  1. MailproofEmail Tracking Software 8.8Free plan
  2. BoomerangEmail Tracking Software 8.6Free plan · 30-day trial

Strengths and trade-offs

  • Mailproof — where it wins

    • Tracks email opens and link clicks in Gmail
    • Pro adds real-time tracking and alerts
    • Includes scheduling, templates, and detailed analytics

    Where it doesn't

    • Focused on Gmail rather than multiple email clients
    • Free plan has conflicting tracked-email limits
    • No CRM integrations or reply tracking listed
  • Boomerang — where it wins

    • Tracks responses, read receipts, and link clicks
    • Adds scheduled sending and reminders for unanswered emails
    • Connects with CRM, meeting, and email platforms

    Where it doesn't

    • Basic limits users to 10 message credits per month
    • Gmail support is listed for Personal, not Outlook
    • Premium features such as track by default cost $49.98 per user monthly, billed annually

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update