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Cold email,
measured.

Outlum measures your Gmail cold outreach and sends you one weekly report on what actually earns replies. Metadata only, never your content.

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Outlum weekly reportJun 2–8Sample
Reply rate this week
4.2%▲ from 3.5%
across 214 cold emails sent
What moved it

Question openers and short, three-word subjects did the most work. Long, templated intros underperformed.

Reached the inbox
Inbox94%
Spam / promotions6%
When replies came back
Mon Tue Wed Thu
Generated from your sent metadata. No message content is stored, and no person reads your mail.
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It reads the signal, not the message

Timing, structure, and outcomes only. Your content never leaves your inbox.

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Report every Monday

A plain-English summary lands in your inbox. A two-minute read.

The report

One report. Everything that changes your reply rate.

All from your own sent mail. No dashboard to check.

What drives your replies
The openers, subjects, and structures that correlate with replies in your data, ranked.
Question opener
Deliverability
How much mail reaches the inbox, and what drags the rest to spam.
Inbox 94%vs 6% spam
3+ linksall-caps subjectimage-only
Send-time heatmap
The days and hours your recipients actually reply.
Reply rate over time
Your reply and conversation rate, week over week, against an anonymized market baseline.
In your inbox, every Monday
No new dashboard to remember. The report is an email.
Outlum · Your weekly report is ready
Reply rate 4.2% this week, up from 3.5%. Your best window was Tuesday morning…
Outlum.AI

Draft your best email, inside Gmail.

Type the gist. Outlum.AI drafts it in your Gmail compose box, shaped by the emails that get you replies. You edit and send.

A one-line intent becomes a full, on-brand pitch
Tuned to your own highest-replying messages
Lives in Gmail, nothing new to open
Try Outlum.AI From $29.99/mo · reports stay free
Matches your top repliers
New message
To[email protected]
SubjectQuick question on your Q3 outbound
You typed: book a quick call about their Q3 outbound

Hi, saw Acme is scaling outbound. Teams your size usually see replies stall near 2%. Worth 15 minutes on what's working right now?

Drafted by Outlum.AI
Outlum

Private by architecture,
not by policy.

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Metadata only

Outlum extracts features like length, timing, and outcomes. The body of your emails is never stored or read.

Nothing to leak

No raw content is saved, so there's no copy of your outreach to breach. Delete everything anytime.

Built to be reviewed

Compliance-first for Gmail access, aligned with Google's CASA assessment. Never used to train models.

Pricing

Free to start. $29.99 when you want the drafting.

Outlum Reports

Free

$0 / forever
Everything you need to see what works.
  • Weekly reply, deliverability & timing report
  • What-drives-replies ranking
  • Market benchmarks & week-over-week trend
  • Metadata only, no content stored
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Everything in Free, plus drafting in Gmail.
  • Everything in Free
  • AI compose in Gmail, tuned to your best emails
  • A written narrative of your weekly report
  • Custom date-range reports
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In private beta. Free for testers, who lock a discounted rate at launch.

See what your outreach is
actually doing.

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