Read together.
Go deeper.
Reading alone is where good books go to stall. Depth pairs you with a denmate, locks you into the same book in real time, and turns finishing into something you do with someone.
No feed to scroll. No followers to chase. Just the depths, and someone down there with you.
You don’t read alone anymore.
Match with a denmate and lock into the same book, face to face in the app. Depth tracks exactly which section each of you is on, so the accountability is mutual — and quietly makes you show up.
- ✓ One denmate per book — no diluted commitment.
- ✓See each other’s position, section by section.
- ✓ Reputation grows from finishing together — never from quitting.
A synced timer that keeps you in the deep.
Start a session and both clocks run off the same server beat — rounds of focused reading, then a break to surface and talk. And it only counts if you actually read: proof-of-reading credit accrues at human pace, so skimming earns nothing.
- ✓ Server-synced rounds so nobody drifts ahead.
- ✓ Breaks for reflection and real conversation.
- ✓ Anti-skim engine — attention is what counts, not elapsed time.
Everything a real reading habit needs.
No infinite feed, no vanity metrics — just the few things that make you read more, remember it longer, and connect it to what you build.
Collect ideas on every dive
Highlight a line that hits and it becomes an Idea — a treasure you carry back to your den, kept on your shelf and quietly shareable with the denmates you read alongside.
“The man who lies to himself and listens to his own lie comes to a point where he cannot distinguish the truth.”
The Brothers Karamazov · § 12The living book trail
Depth knows where everyone is. You’re never alone at any point in a book.
Reputation you earn, silently
No badges, no scores, no leaderboard. Trust builds from finishing and showing up — and pausing a book never costs you a thing.
Your den
People you genuinely read with.
Find your waters
Choose the topics you come here to go deep on. Depth surfaces books worth your time — no follow graph, just your waters and the open water beyond.
Read offline, anywhere
Download a book and dive in on the train or a flight. Progress syncs the moment you resurface.
Talk it through
Every partnership has a quiet, book-scoped chat — discuss the chapter while it’s still fresh.
How Depth works
From solo reader to someone who actually finishes — together.
Open the den
Pull up the invite sheet to find someone to read with.
Find your denmate
Search readers by name, or send a link to someone new.
Pick the book
Choose one work from the library to go In Depth on.
Lock in together
Synced rounds of deep, proof-checked reading.
Surface & discuss
Break time opens the chat — trade ideas while it’s fresh.
Dive into the classics, free.
Depth opens with the great public-domain works — Project Gutenberg’s library, with covers made for the deep. Start with the books that have shaped how people think, at no cost.
Search is a dive, not a glance.
One search reaches across your whole reading world at once — the library, the ideas you’ve collected, and the open knowledge of Wikipedia woven in as context. Type a thought; surface everything the depths hold about it.
- ✓ Books and articles from the library.
- ✓ Your own saved ideas, instantly findable.
- ✓ Wikipedia woven in for the wider picture.
In the library
Your ideas
From Wikipedia
Start free. Go as deep as you like.
The trust core — denmates, sessions, reputation — is free forever. We only ever charge for the three honest things: expression and insight on Deep, inference on Abyss.
Surface
Everything you need to read together.
- ✓ In Depth partnerships & denmates
- ✓ Synced focus sessions
- ✓ Ideas & book-scoped chat
- ✓ The full public-domain library
- ✓ Basic progress & reputation
Deep
Go deeperFor readers who want the whole den.
- ✓ Everything in Free
- ✓ App icons & avatar studio
- ✓ Reading insights
- ✓ Idea collections & export
- ✓ Offline downloads
Abyss
AI inferenceIntelligence for the deepest dives.
- ✓ Everything in Deep
- ✓ Ask — an AI that dives into any passage
- ✓ Guided prompts that push you deeper
- ✓ Smart recaps when you resurface
Deep is $6.99 / month or $69 / year · Abyss is $14.99 / month or $149 / year. No ads, ever — on any tier.
Stop reading alone.
Be among the first to dive in. We’ll send your invite the moment the first dens open.