1Writer
Markdown editor for iPhone and iPad with scriptable actions
What is 1Writer?
1Writer is a Markdown and plain-text editor for iPhone and iPad by the developer Ngoc Luu. It syncs files with iCloud Drive, Dropbox and WebDAV, shows formatting inline as you type, and can be extended with custom actions written in JavaScript or built on its URL scheme. It is sold as a single paid download on the App Store, with optional tips inside the app.
1Writer is a paid product, starting at $4.99 one-time on the App Store. See every plan
Good for
- Writing Markdown on an iPhone or iPad with files kept in Dropbox, iCloud Drive or WebDAV
- People who automate text work with JavaScript actions or URL schemes
- Anyone who wants an editor bought once, with no subscription
Worth knowing
- iPhone and iPad only: there is no Android, Windows or web version, and on the Mac it runs only as the iPad app on Apple silicon.
- There is no free version or trial; the app costs $4.99 up front on the US App Store.
- The App Store version history lists only bug-fix releases since April 2021; the most recent is version 3.3.8 from September 2025.
Key features
- Markdown editing with inline preview
- Plain-text and Markdown files show their formatting inline while you write, with a full rich-text preview when you are done. MultiMarkdown is supported.
- Sync with iCloud Drive, Dropbox and WebDAV
- Pick the Dropbox or WebDAV folders to sync, or sync them all. Changes made offline sync at the next connection, and a document started on a Mac in iCloud Drive can be continued in 1Writer.
- Custom actions in JavaScript
- Built-in actions can be extended with your own, written in JavaScript or built on the onewriter:// URL scheme, which supports the x-callback-url protocol.
- Sharing and export
- Generate a link to a document as plain text or PDF, email it as plain text, formatted text or PDF, or copy its HTML to the clipboard.
- In-app web browser
- Look things up without switching apps, and copy a selection from a web page to the clipboard as Markdown in one action.
- Customizable keyboard row
- An extra row above the keyboard holds navigation, formatting and special characters, and can be assigned the actions you use most.
1Writer pricing
- Starts at
- $4.99 one-time on the App Store
- Free plan
- None
- Free trial
- None listed
| Plan | Price | What you get |
|---|---|---|
| 1Writer | $4.99one-time purchase on the App Store | The full app for iPhone and iPad. The in-app purchases are optional tips from $0.99 to $19.99, and the release notes say no update has been charged for. |
Read from apps.apple.com on Oct 9, 2026. Prices change, so confirm with 1Writer before you buy.
How people rate the 1Writer app
4.6
out of 5 for the iPhone and iPad app
- 5 stars84%
- 4 stars7%
- 3 stars4%
- 2 stars1%
- 1 star5%
392 ratings on the App Store in the United States, read Oct 9, 2026. It rates the app, not everything the product does. See the listing
Works with
- Dropbox
- iCloud Drive
- WebDAV
- TextExpander
- Evernote
- 1Password
- Siri Shortcuts
1Writer alternatives
- 1Writer vs iA Writer
Free trial · from $19.99 one-time
- 1Writer vs Ulysses
Free trial · from $39.99/yr
- 1Writer vs Bear
Free plan · from $2.99/mo
- 1Writer vs JotterPad
Free plan · from $29.99/yr
- 1Writer vs Obsidian
Free plan · from $4/mo
Common questions
Is 1Writer free?
No. 1Writer is a paid product, starting at $4.99 one-time on the App Store.
How much does 1Writer cost?
1Writer lists one plan. 1Writer: $4.99 one-time purchase on the App Store. Prices were read from apps.apple.com on Oct 9, 2026.
What platforms does 1Writer work on?
1Writer is available on iOS.
How is 1Writer rated?
1Writer's iPhone and iPad app averages 4.6 out of 5 from 392 ratings on the App Store in the United States, as read on Oct 9, 2026. That is the store's rating of the app, not a score from us.
Does 1Writer have an Android app?
No Android app was listed when its pages were read on Oct 9, 2026. 1Writer is listed for iOS.
Does 1Writer have a Windows app?
No Windows app was listed when its pages were read on Oct 9, 2026. 1Writer is listed for iOS.
Is 1Writer open source?
1Writer is not described as open source on its own site, as read on Oct 9, 2026.
Does 1Writer work offline?
Yes, according to its own site. What works without a connection differs by plan and platform, so check the vendor's page for the detail.
What does 1Writer integrate with?
1Writer's listing names Dropbox, iCloud Drive, WebDAV, TextExpander, Evernote, 1Password and Siri Shortcuts. A listing names up to eight integrations, so it may connect to more.
Who makes 1Writer?
1Writer is made by Ngoc Luu.
What are the alternatives to 1Writer?
The closest alternatives to 1Writer in our directory are iA Writer, Ulysses, Bear, JotterPad and Obsidian. Each one has a side-by-side comparison with 1Writer.
Sources for this page
The prices, plans, platforms and features above were read from these pages on Oct 9, 2026. What people say is linked where it appears.