18.2
Mailbutler Smart Assistant adds AI writing and email-management tools to Apple Mail, Microsoft Outlook, and Gmail.
Free planAndroidiOSWeb
Alternatives to Boomerang
Boomerang helps people control email timing with scheduled delivery, snoozing, and follow-up reminders. Magic Live Calendar adds bookable schedules, suggested meeting times, free/busy sharing, multiple-calendar support, and team scheduling with Zoom and Google Meet. Respondable provides real-time help with email effectiveness and tone, while Inbox Pause temporarily stops new messages. Open, reply, and click tracking, CRM synchronization, browser extensions, and iOS and…
28.1
LeadBoxer is a B2B signals platform for identifying, qualifying, and managing leads.
Free planAndroidiOSWeb
38.1
Mixmax is a sales engagement platform for revenue teams that works inside Gmail and Outlook.
Free planWebAPIExtension
- 4
Mail Track for Gmail
Mail Track for Gmail adds open tracking and read receipts to messages sent through Gmail.
Free planAndroidiOSWebExtension8.0From $2.99 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 $24 a year - 6
Right Inbox
Right Inbox is a Gmail productivity tool for tracking, scheduling, and automating email.
Free planWebExtensionLinuxmacOS7.9From $9.95 a month - 7
RevenueGrid
RevenueGrid is a revenue intelligence platform that captures customer interactions and syncs them with a CRM.
AndroidiOSWebExtension7.4From $30 a month - 8
Streak
Free planAndroidiOSWeb7.4From $59 a month - 9
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 - 10
DidTheyReadIt
DidTheyReadIt is an email tracking service that notifies senders when a tracked message is opened.
Free planWebExtensionmacOSWindows7.1Free plan - 11
Mailcastr
Free planAndroidiOSWebExtension7.1From $5 a year - 12
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 - 13
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.
AndroidiOSWebAPI7.0 - 14
Pointofmail
Pointofmail tracks sent email and offers controls for managing messages after they are sent.
AndroidiOSWebAPI6.9From $13.99 a month - 156.8From $79 a year
- 16
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 - 17
Outsolvi
Outsolvi provides confidence-scored email open tracking across Outlook and Gmail for account executives.
WebExtensionmacOSWindows6.7From $84 a year - 18
WhoReadMe
WhoReadMe is a free online service that tracks sent emails and notifies the sender when a tracked message is opened.
Free planWeb6.6Free plan - 19
Outreach
Outreach is a revenue-team platform that brings prospect engagement, customer retention, coaching, and revenue intelligence into one system.
AndroidiOSWebAPI6.5 - 20
EmailCaddie
EmailCaddie tracks Outlook email activity so users can follow up based on opens, clicks and replies.
WebWindows6.4From $10 a month - 21
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 - 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