Mailproof vs Vocus.io

MMailproof8.8Visit Vocus.io8.7Visit

Higher score M Mailproof #5 in Email Tracking Software 8.8/10 Free plan Free plan✓ 3 of 4 features Visit Mailproof

vs

Vocus.io #6 in Email Tracking Software 8.7/10 30-day trial Free trial✓ 2 of 4 features Visit Vocus.io

• Mailproof fits best

  Budget-conscious Gmail users tracking opens and clicks

• Vocus.io fits best

  Gmail users wanting tracking plus CRM logging

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Side by side

Feature	MMailproof 8.8/10 Visit ↗	Vocus.io 8.7/10 Visit ↗
At a glance
Editor score	8.8	8.7
Ranking	#5 in Email Tracking Software	#6 in Email Tracking Software
Best for	Budget-conscious Gmail users tracking opens and clicks	Gmail users wanting tracking plus CRM logging
Pricing model	Free plan + paid	Paid
Starting price	$4.99/mo (best)	$5/user/mo
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Cloud, Browser extension	Browser extension
Platforms	Web, Chrome extension	Chrome extension
Integrations	1 integrations	12 integrations
Features Mailproof 3/4 · Vocus.io 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 opens per recipient, link clicks and campaign replies. Automates follow-ups and includes scheduled sending, templates and reminders. Logs email activity to CRMs and connects through Zapier and webhooks.
Cons	Focused on Gmail rather than multiple email clients Free plan has conflicting tracked-email limits No CRM integrations or reply tracking listed	There is no free plan; access starts with a 30-day trial. It supports Gmail and G Suite, not Outlook. It can send campaign attachments but does not track attachment activity.
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 →	Vocus.io is an email outreach tool for Gmail and G Suite users who want to track engagement and automate follow-ups from their inbox. Its Inbox features cover per-recipient open tracking, link clicks, scheduled sending, reminders,… Read the review →

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

• Vocus.io — where it wins

  • Tracks opens per recipient, link clicks and campaign replies.
  • Automates follow-ups and includes scheduled sending, templates and reminders.
  • Logs email activity to CRMs and connects through Zapier and webhooks.

  Where it doesn't

  • There is no free plan; access starts with a 30-day trial.
  • It supports Gmail and G Suite, not Outlook.
  • It can send campaign attachments but does not track attachment activity.

• MMailproof8.8/10 · Free plan

  A Gmail-focused tracker with a limited free tier and paid real-time alerts.

  Visit MailproofFull verdict →
• Vocus.io8.7/10 · 30-day trial

  Gmail-focused tracking, follow-ups and CRM logging, starting at $5 per user monthly.

  Visit Vocus.ioFull verdict →