Compare: Email Tracker by cloudHQ vs MailKing: Email Campaigns in Gmail by cloudHQ

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Metric	Email Tracker by cloudHQ	MailKing: Email Campaigns in Gmail by cloudHQ
User count	20,000	10,000
Average rating	4.09	4.58
Rating count	256	121
Last updated	2026-01-29	2026-06-02
Size	0.80 MB	0.56 MB
Version	1.0.2.10	1.0.2.5

Short description	Know in real time when your emails are opened with Email Tracker by cloudHQ. Get alerts, link tracking, reminders, and export to Google Sheets.	Send mass emails directly from Gmail with MailKing. Access templates, drag‑and‑drop editor, HTML editor, merge tags, lists, and analytics.
Full summary	Email Tracker by cloudHQ lets you know the moment your emails are read. It’s easy to use and includes a tracking dashboard, real-time alerts on mobile and desktop, and Gmail labeling that shows which messages were opened, clicked, or left unanswered. Extras include link tracking, 48-hour unread reminders, and options to remove tracking from personal emails. Upgrade lets you export tracked emails to Google Sheets for open-rate reports. This extension is ideal for sales, customer service, recruiters, and teams that need to act quickly on replies. Access settings quickly via the cloudHQ icon in Gmail.	MailKing brings mass emailing to Gmail. Run campaigns without leaving your inbox, with templates, a drag‑and‑drop editor, merge tags, and real-time analytics to boost engagement. Build lists, sign‑up forms, and import templates from Mailchimp or HubSpot. Import CSVs from CRMs, perform mail merges, and schedule follow-ups—all within Gmail, with scalable sending and branding options.