Newsletter Growth Tracker
Subscriber count is a vanity number until you know where they came from and how many stay. This tracker logs gross adds, unsubscribes, and net growth by source each week so you double down on the channels that actually work.
Newsletter & EmailPDF + CSV5 sectionsfree, no paywall
What you get
- A weekly log of new subscribers, unsubscribes, and net growth
- A source breakdown so you know which channels actually convert
- A net-growth-rate view that exposes hidden churn behind big numbers
- Editable CSV for Google Sheets or Excel, plus a branded summary PDF
How to use this template
- 1. Log every week, same day. On a fixed day, record gross new subscribers, unsubscribes, and the total list size. Consistency makes the trend readable.
- 2. Tag every signup source. Split new subscribers by source (referral, social, lead magnet, partner). Use unique signup links so the numbers are real, not guesses.
- 3. Read net, not gross. Track net growth (adds minus unsubscribes). A big add week with high churn is a leak, not a win. Find and fix the leak.
- 4. Reinvest in the winner. Each month, identify the source with the best net growth and lowest churn, then put more time into it next month.
Still choosing the tool you will run this in? Compare two side by side, or read how each profile is built in our review methodology.
What's inside
3 of 5 sections shown; the remaining 2 come with the free download.
What is a newsletter growth tracker?
A newsletter growth tracker is a weekly log of how your list changed: how many people joined, how many left, the net difference, and which signup route each new reader came through. It turns one headline number, total subscribers, into something specific enough to act on.
It is for anyone running more than one way in: a referral page, a lead magnet, a podcast mention, a cross-promo swap. Once you log by source, the channel you assumed was working often turns out to be the one shedding readers fastest two weeks later.
Weekly growth log
One row per week. Net growth = new subscribers minus unsubscribes.
| Week ending | New subscribers | Unsubscribes | Net growth | Total list size | Notes |
|---|---|---|---|---|---|
| Wk 1 | 120 | 14 | +106 | 3,206 | Lead magnet relaunch |
| Wk 2 | 85 | 31 | +54 | 3,260 | High churn: bad subject line? |
What the numbers are really telling you
Gross subscriber adds feel great and lie often. A channel that adds 200 people who never open is worth less than one that adds 50 who read every issue, and the low-quality channel quietly drags down your sender reputation.
Watch the relationship between adds and unsubscribes per source. A spike in unsubscribes right after a campaign usually means a mismatch between what you promised at signup and what you actually send.
2 more sections and the PDF + CSV are behind the free download.
Tools that help with this
The template does the thinking; these are the products creators run it in. The full software directory has the rest.
Beehiiv
Beehiiv is a newsletter platform built for growth, offering built-in referral programs, an ad network, an AI-powered website builder, and paid subscription tools with 0% transaction fees.
$0/mo
Substack
Substack is a newsletter platform that lets writers publish, grow an audience, and earn money through paid subscriptions, all without paying anything upfront.
$0/mo
Kit (ConvertKit)
Kit is a newsletter and email marketing platform built for creators who want to grow an audience, automate email sequences, sell digital products, and run paid newsletters.
$0/mo
Categories to browse: Newsletter Platforms, Creator Analytics.
Frequently asked questions
What is a newsletter growth tracker?
It is a sheet where you log joins, unsubscribes, net change and signup source every week. The point is to compare channels on the quality of the readers they bring, not just the quantity.
What's a healthy newsletter growth rate?
It varies by niche and stage, but a sustainable target is a positive net growth rate every month with churn (unsubscribe rate) under roughly 0.5% per send. Net growth and quality matter more than any single gross-add number.
How do I know which channel is driving real growth?
Use a unique signup link or UTM for each source and log subscribers by source weekly. Then judge each channel on net growth and the open rate of the subscribers it brings, not just raw signups.
Is this newsletter growth tracker free?
Yes. Enter your email and you'll get the editable CSV (for Google Sheets or Excel) and a branded print-ready PDF immediately, with no payment required.
How do I tag signup sources without paying for a tool?
Make a separate signup form, or add a hidden field, for each channel in your email platform and name it after that channel. Most platforms let you filter subscribers by the form they used, which is all this tracker needs.