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Private beta, opening in stages

Email built for authors. Not everyone.

Newsletters, swaps, reader magnets and launches in one place, built around the book.

Join the waitlist

Both questions are optional and shape what gets built first. We will email you a link to confirm your address, then send occasional updates and an invite when there is room. You can unsubscribe at any time. See the privacy policy.

Founding authors: the first 50 authors to join get 25% off for life when paid plans launch.

A newsletter on a phone: a featured book with its cover, blurb and a Get your copy button, then a Worthy mentions section starting with another author’s book.

Blocks that know what a book is.

Pick a book and its cover, blurb and buy links come with it. Mentions and group promos line up with one click.

Newsletters, in full
The Penomaly newsletter editor. On the left, a Mentions block with three other authors’ books, a books-per-row setting and a Match heights button. On the right, the live preview showing the three covers in a row and two group promotion graphics below them.

A swap market inside your email tool.

Find authors in your genre and book a date on their calendar. On the day, add their promo to your newsletter in one click.

The swap market, in full
The swap market: a table of authors with their genre, subscribers, open and click rates, the promos they offer and a See dates button. The author’s own list shows a verified tick.

A signup page for every reader magnet.

Readers join your list, then get your BookFunnel or other download link, straight away or once they confirm.

Signup pages, in full
A signup page offering a free novella: a heading, the book cover beside a short description, then first name and email boxes and a Send me the novella button.

Welcome flows that run while you write.

Start on a signup, a list, a tag or a date. Wait, email, tag and branch on what you know about each reader.

Automations, in full
A welcome automation drawn as a flow chart: send an email, wait two days, send an email, wait three days, then a condition on a tag. Readers with the tag get one email; the rest get another and are tagged.
Oscar, the founder of Penomaly

Why this exists

I write psychological thrillers, and for years my author business lived in five open tabs. My newsletter sat in a tool built for online shops. Swaps were booked on one site, tracked in a spreadsheet and proved with screenshots. Group promos had to be pasted into every email by hand, and my ARC team ran on an automation held together with tags and hope. Penomaly is the one place I wanted all along: newsletters, swaps and launches, built around the book. I already send my own newsletter through it, and I would love you to help shape what comes next.

Oscar, founder of Penomaly

Every feature on every plan.

Free until you send. Paid plans from $9 a month for 500 subscribers.

See pricing

Questions authors ask

Can I sign up today?
Not yet. Access opens a few authors at a time. Join the waitlist for occasional updates on what is being built and an invite when there is room.
Do my readers have to opt in again when I move?
No. Imported readers are never sent a confirmation email, and your unsubscribes, bounces and complaints come with them. How moving works.
Is the swap market free?
Yes. Listing, browsing and booking swaps are free. Sending needs a paid plan.
What if I want to leave?
Export your readers to a CSV file at any time, with their tags and custom fields. Your list is yours.

Something else? Read the help guides or write to support@penomaly.com.

Want in early?

Join the waitlist