Know what
happens
after you hit send.
Real-time open, click, and reply signals — delivered straight to your inbox sidebar. No footer on any plan. No dark patterns. AI drafts the follow-up when the signal says it's time.
- No credit card
- Unlimited free tracking
- No footer on any plan
Maya Chen opened your email
3rd openiPhone · Brooklyn, NY · 2m ago
Re: Q2 procurement — pricing addendum
3 opens · 2 clicks · no reply yet
✦ Suggested follow-up
Maya has opened twice and clicked the pricing PDF. She didn't reply. Try a short note acknowledging the new line items — Tuesday morning lands best.
What's different
Built around what the others got wrong.
Tracking is a commodity. The interesting work is what you do with the signal — and what you don't do to your recipients.
- 01
Clean free tier, forever
No 'sent via MailSenseAI' footer. Not on free, not on paid. Your recipients never know we exist unless you tell them.
- 02
AI follow-up intelligence
Three opens, no reply? We draft the follow-up that fits the thread. Approve, edit, send — never a templated guess.
- 03
Chase the warmest leads first
The Chase Now worklist ranks every open thread by real engagement — who's reading, who clicked, who's gone quiet — so you follow up in priority order, not inbox order.
- 04
Privacy you can ship
A one-line consent footer keeps recipients in the loop — required workspace-wide or per send. Full audit log of everything we collected, ever.
- 05
Know who's actually reading
Real city, device, and active-now signal per recipient — with Apple Mail prefetch and your own self-opens filtered out, so the numbers actually mean something.
- 06
Open is just the first signal
We weight intent by opens, link clicks, replies, and how the thread behaves over 72 hours. The follow-up suggestion is the output, not the alert.
The signal
Open, click, reply. Then a recommendation.
Most trackers stop at the open. We weight intent by which links they clicked, where and on what device they opened, and how the thread behaves over 72 hours. The follow-up suggestion is the output, not the alert.
✦ Signal takeaway
Peak attention at hour 38. Send the follow-up Tuesday 9:14 AM — that's the next time this recipient was active.
Thread · procurement Q2
Signal over 72 hours
Email tracking for Gmail
Email tracking for Gmail, without the footer.
MailSenseAI is a free email tracker that lives inside Gmail. Send as you normally would and it tells you the moment your email is opened, which links were clicked, and when the thread gets a reply — in real time, in a sidebar right next to your inbox.
Unlike most free trackers, we never add a “sent with” footer to your emails — on any plan. If you're looking for a Mailtrack or Mailsuite alternative that keeps your signature clean and your open rates honest, this is it.
- Real-time open tracking
- A lightweight tracking pixel records each open with a timestamp, approximate city, and device — so you know exactly when someone reads your email in Gmail.
- Link click tracking
- Every tracked link reports which URL was clicked and how many times, turning a vague “opened” into a clear signal of what the reader actually cared about.
- Reply detection
- Replies are detected right in the Gmail conversation and attributed to the recipient — no extra mailbox permissions, no restricted scopes.
- Accurate by design
- Apple Mail Privacy Protection prefetches and your own self-opens are filtered out, so your open counts reflect real reads instead of inflated noise.
Built for sales conversations, client work, recruiting, and anyone who follows up for a living — MailSenseAI turns email tracking into a follow-up decision, not just a read receipt.
Pricing
Three plans. No footer on any of them.
Tracking is unlimited and free — we charge for unlimited AI follow-ups, not because we sneak a tagline into your signature.
Free
For solo senders who just want to see what landed.
Add to Gmail- Unlimited email tracking
- Real-time opens, clicks & replies
- No "sent via MailSenseAI" footer
- Inbox sidebar + dashboard
- 3 AI follow-up drafts / month
Pro
For sellers who follow up on signal, not gut feel.
Start 14-day trial- Everything in Free
- Unlimited AI follow-up drafts
- Full analytics & history
- Per-link click analytics
- Priority support
Team
For teams that want one dashboard, not seven inboxes.
Coming soon- Everything in Pro
- Team leaderboards
- API + webhooks
- Slack notifications
- Admin roles + audit log
- Campaigns & sequences
All prices in USD · cancel any time · no per-recipient fees
DevelopersTeam · coming soon
Public API, coming with Team.
REST for reads, webhooks for events — landing with the Team plan. Pipe opens into HubSpot, Salesforce, Zapier, or your own CRM. No partnership form, no "contact sales for an API key."
Read the docs# Subscribe to thread.opened events
curl https://api.mailsenseai.com/v1/webhooks \
-H "Authorization: Bearer $MAILSENSEAI_KEY" \
-d url=https://hooks.acme.dev/inbound \
-d events[]=thread.opened \
-d events[]=thread.clicked
# You'll receive:
{
"event": "thread.opened",
"thread_id": "th_8m2KQ",
"recipient": "maya@example.com",
"device": "iPhone",
"city": "Brooklyn, NY",
"occurred_at":"2026-05-09T13:14:02Z"
}FAQ
Email tracking, answered.
- What is MailSenseAI?
- MailSenseAI is an email tracking tool for Gmail. It installs as a Chrome extension and shows you real-time open, click, and reply signals for the emails you send, plus AI-drafted follow-ups when a thread goes warm — all without adding a footer to your messages.
- Is MailSenseAI free?
- Yes. The free plan includes unlimited email tracking — opens, clicks, and replies with no footer — plus 3 AI follow-up drafts each month. Pro ($5/mo) unlocks unlimited AI drafts and full analytics. No credit card is required to start.
- How does email tracking in Gmail work?
- When you send a tracked email, MailSenseAI embeds an invisible tracking pixel and rewrites your links. When the recipient opens the email or clicks a link, that request is logged with a timestamp and approximate location, and shown to you in the Gmail sidebar in real time.
- Does MailSenseAI add a footer or signature to my emails?
- No. Unlike most free email trackers, MailSenseAI never adds a “sent with” footer or tagline to your emails — not on the free plan and not on paid. Your recipients never see that you are tracking unless you choose to tell them.
- Is MailSenseAI a good Mailtrack or Mailsuite alternative?
- Yes. MailSenseAI covers the same core — open tracking, click tracking, and read receipts in Gmail — but keeps tracking free with no footer on any plan, and adds an engagement signal and AI follow-up suggestions on top of raw opens.
- How accurate is email open tracking?
- Open tracking is an estimate, so MailSenseAI improves accuracy by filtering out Apple Mail Privacy Protection prefetches and the sender’s own self-opens, and by weighting opens together with clicks and replies rather than trusting a single open on its own.
Find out what happens after you hit send.
Install in 30 seconds. The free plan is enough to know if it's worth your time.
No credit card · cancel any time · we will never put a footer on your emails