What Tablif read on Calamus's site
Calamus describes itself as: “Calamus: Book Writing Software for Novelists”
- Price model: One-time · Monthly · free tier
- Free tier: Free for a trial
- Stage: Beta
- How it differs: “Most writers draft in one app (Scrivener, Ulysses) and reformat in another (Vellum, Atticus). Calamus does both on the same file”
What it is
Calls itself “Book writing software” and “novel writing and book formatting software”.
- Calls itself: Book writing software · novel writing and book formatting software
“Book writing software for novelists from the beginning to the reader.”
“Calamus is novel writing and book formatting software in one place”
Where it puts itself
Claims “first full suite of writing software”. Rules out “subscription”. Publishes a comparison page.
- Superlative claim: first full suite of writing software
- Says it will not: subscription
“Most writers draft in one app (Scrivener, Ulysses) and reformat in another (Vellum, Atticus). Calamus does both on the same file”
“We’re excited to have built the first full suite of writing software that helps writers and authors go from start to finish, completely”
What it costs
One-time purchase and monthly subscription. Free for a trial period. Prices quoted: $129, $189, $4.99/month.
- One-time: yes
- Monthly: yes
- Free plan: free for a trial
- Price: $129 · $189 · $4.99/month
“Regular price $ 189 $ 129 Launch price”
“Writers who do not own Calamus (the iPadOS, macOS, and browser app) can subscribe to Calamus Ideas on its own for $4.99/month, available for purchase in that app.”
Who it sells to
Sells to consumers. Made for novelists.
- Sells to: consumers
- Made for: novelists
“Calamus is the writing studio for novelists who see the whole book at once.”
How it runs
A desktop app, mobile app and web app for iOS, iPadOS and macOS. Runs locally and works offline. Hosted in the cloud. Distributed through the App Store.
- Kind: desktop · mobile · web
- Runs on: iOS · iPadOS · macOS
- Runs where: cloud / hosted · on the device, offline
- Distributed via: App Store
“Native on Mac & iPad, fully offline, one-time purchase.”
“Use the browser version for a quick session on any computer with an internet connection.”
What it works with
Runs inside Calamus Ideas. Names Atticus, Scrivener and 2 more on its pages.
- Runs inside: Calamus Ideas
- Names: Atticus · Scrivener · Ulysses · +1
“Most writers draft in one app (Scrivener, Ulysses) and reformat in another (Vellum, Atticus).”
“Calamus is the writing studio for novelists who see the whole book at once.”
What it offers as proof
In beta. Try it without signing up. Publishes a blog.
- Stage: beta
- Instant signup: yes
- Trial asks for: nothing
“Calamus (iPadOS, macOS, browser) is in Beta testing and isn’t open for purchase yet.”
“Sign in Start Trial Join Waitlist”
Sources
Tablif read these pages, last on 1 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
Similar products in Tablif Town
- Quill - Write Your Book: The all-in-one writing platform built for authors
- Writer Creator: A multi tool app dor writers write and publsih stories
- Sonetia: Plan & Write Novels: The modern novel writing app for Mac
- Writer Studio: Free offline book writing with a Book Wiki and optional AI
- Docmode: A writing app with a website hiding inside it
- Catalpas Atelier Scribe: Write and typeset Markdown manuscripts into ebooks and print-ready books
- Plotscribe: Plot it. Write it. Ship it
- B-Maker: Plan, write, revise and publish in one project