18.2
Mailbutler Smart Assistant adds AI writing and email-management tools to Apple Mail, Microsoft Outlook, and Gmail.
Free planAndroidiOSWeb
Alternatives to DidTheyReadIt
28.1
Boomerang for Gmail helps users manage message timing, follow-ups, and meeting scheduling.
Free planAndroidiOSWeb
38.1
LeadBoxer is a B2B signals platform for identifying, qualifying, and managing leads.
Free planAndroidiOSWeb
- 4
Mixmax
Mixmax is a sales engagement platform for revenue teams that works inside Gmail and Outlook.
Free planWebAPIExtensionLinux8.0From $29 a month - 5
ReadNotify
ReadNotify tracks email and document activity, reporting when tracked messages are opened, how long they are read, and whether they are forwarded or reopened.
Free planAndroidiOSWebExtension8.0From $2 a month - 6
RevenueGrid
RevenueGrid is a revenue intelligence platform that captures customer interactions and syncs them with a CRM.
AndroidiOSWebExtension7.3From $30 a month - 7
Streak
Free planAndroidiOSWeb7.3From $59 a month - 8
Yesware
Yesware is a sales engagement platform that brings email tracking, templates, and automated outreach into Gmail and Outlook.
Free planWebExtensionmacOSWindows7.3From $19 a month - 9
Mail Track for Gmail
Mail Track for Gmail adds open tracking and read receipts to messages sent through Gmail.
Free planAndroidiOSWebExtension7.1From $0.25 a month - 10
Mailcastr
Free planAndroidiOSWebExtension7.1From $0.42 a month - 11
Mailsuite
Mailsuite brings email tracking, campaign sending, mail merge, CRM tools, document sharing, and PDF signature requests into an email-focused suite.
Free planAndroidiOSWebExtension7.1From $6.99 a month - 12
Right Inbox
Right Inbox is a Gmail productivity tool for tracking, scheduling, and automating email.
Free planWebExtensionmacOS7.0From $7.95 a month - 13
Pointofmail
Pointofmail tracks sent email and offers controls for managing messages after they are sent.
AndroidiOSWebAPI6.9From $1.17 a month - 146.8From $6.58 a month
- 15
MailTracker
MailTracker is a Gmail email-tracking service delivered through a Chrome extension, with a web platform also listed.
Free planWebExtension6.8From $29.99 a month - 16
Outsolvi
Outsolvi provides confidence-scored email open tracking across Outlook and Gmail for account executives.
WebExtensionmacOSWindows6.7From $7 a month - 17
WhoReadMe
WhoReadMe is a free online service that tracks sent emails and notifies the sender when a tracked message is opened.
Free planWeb6.6$51,020, paid once - 18
EmailCaddie
EmailCaddie tracks Outlook email activity so users can follow up based on opens, clicks and replies.
WebWindows6.4From $10 a month - 19
Outreach
Outreach is a revenue-team platform that brings prospect engagement, customer retention, coaching, and revenue intelligence into one system.
AndroidiOSWebAPI6.4 - 20
FollowUp.cc
FollowUp.cc is a web service and browser extension for managing email reminders, scheduled messages, and sales follow-ups.
WebExtension6.3From $18 a month - 21
Salesloft
Salesloft describes its product as a predictive revenue system that turns signals across a company's revenue stack into prioritized actions for revenue teams.
AndroidiOSWebAPI6.3 - 22
Trustifi Email Tracking
Trustifi Email Tracking adds pixel-based open notifications and analytics to email.
Free planWebExtensionmacOSWindows6.3Free plan - 23
Email Tracker
Email Tracker is a Gmail-integrated web service and browser extension that reports when messages are opened, where they were opened, and whether the…
WebExtension6.1From €6.90 a month - 24
TrackMailBox
TrackMailBox is a free Chrome extension for Gmail that tracks email opens and link clicks.
Free planWebExtension6.1Free plan - 25
Vocus.io
Extension6.1From $5 a month - 26
Sellizer
Web4.9