Glimpse

Glimpse vs. other email trackers

Most email trackers work the same way underneath — a tiny invisible picture. The difference is what they do with the result. Glimpse is built around one idea: an “opened” should mean a person really opened it.

Glimpse compared with what many trackers do today
What mattersGlimpseMany other trackers
Adds a logo or “sent with” line to your emailsNever — nothing visible is addedOften, on free plans
Your own opens left outOn every device: your Sent copy, your phone, your computerOften only in the browser where it's installed
Gmail preloading (several emails loaded in the same few seconds)Marked “Maybe – preloaded”, not counted, no alertUsually counted as opens
Company spam scanners and automatic picture loadsMarked “Maybe”, not counted (you can choose to count them)Often counted as opens
Full open historyEvery open with its timeSometimes only the first open on free plans
See who tracks YOUA mark on emails you receive from senders who trackRare
Stop tracking after sendingYesRare
Where it worksAndroid app, Chrome add-on for Gmail, website — one accountOften one place only
Emails your AI assistant sendsTracked with the Glimpse connector for AI assistants – connect itNot tracked
Honest about limitsA public FAQ of what Glimpse can't doRarely published

“Many other trackers” describes what is common on popular trackers' public plan pages as of November 2026. Products change — check each one before you choose.

Why accuracy is the whole point

A tracker that counts your own reading, Gmail's preloading or a company's spam scanner as an open sends you false alerts. After a few false alerts you stop trusting the tracker, and then it is worth nothing. Glimpse leaves those out — and when it really can't tell, it says “Maybe” instead of guessing.

Nothing added to your email

The reader sees your email exactly as you wrote it. No logo, no “sent with” line, no ad — on the free plan too.

What Glimpse doesn't do (yet)

No tracker is perfect, and we would rather you hear it from us. Read the honest FAQ for the cases where Glimpse can miss an open or can't track an email.

Get Glimpse freeRead the honest FAQ

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