Kosshi Outliner
Kosshi Outliner is made and published by Junichi Sato. AppBrain is an independent app data site and isn't affiliated with Junichi Sato. The app name, icon, screenshots and description belong to Junichi Sato and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 4 ratings
- Last updated
- October 15, 2026
It doesn't have enough ratings yet to judge what users think.
Rankings
App Store top chartsApp Store Rankings for Kosshi Outliner
Competitors
Similar apps and more from Junichi SatoAlternatives to Kosshi Outliner
Releases
Updates seen on the App Store- Version
- 1.22.1
- Launched
- April 2026
No changelog data
User feedback
Ratings and reviews on the App StoreComments on Kosshi Outliner for iOS
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 29.8 MB
- Content rating
- Everyone
Technologies used by Kosshi Outliner
About the app and developer
About Kosshi Outliner
Kosshi Outliner is a productivity app developed by Junichi Sato.
What is the rating of Kosshi Outliner?
Kosshi Outliner is rated 5.00 out of 5 stars, based on 4 ratings.
Is Kosshi Outliner free?
Kosshi Outliner is free. The app size is 29.76 MB. The latest version available is 1.22.1. The last update was on October 15, 2026.
What are the requirements for Kosshi Outliner?
The app has a content rating of Everyone. The app has been available on the App Store since April 2026.
Developer information for Junichi Sato
Address:
Store listing
By Junichi Sato, from the App StoreDescription by Junichi Sato Written by the developer, not by AppBrain. Click to read.
Available on Mac, iPhone, and iPad — one purchase covers all three.
Outliner
Hit Tab to indent and build a hierarchy. Collapse what you don't need, drag to move things around.
Zoom In / Zoom Out
Zoom into any row and only its contents are shown. Breadcrumbs tell you where you are, and you can jump home anytime.
Markdown
Bold, italic, highlight, links, checkboxes, code blocks, and LaTeX math all render right where you type. Formatting markers only appear while editing — move away and they're gone.
Images & Files
Add images by pasting or dragging, and resize however you want. PDFs and videos show as inline previews too.
Apple Pencil Sketches
Draw sketches with Apple Pencil on iPad. They sync to Mac and iPhone through iCloud.
Search
Cmd+F to search your whole outline. Matches get highlighted. Replace works too.
Dark Mode
Switch between light and dark themes. Automatically follows your system setting.
Tags
Use #tags to categorize and @tags for dates or status. Filter from the sidebar.
Internal Links
Type [[ to search and link to another row. Build a web of connected outlines.
Bookmarks
Press Cmd+D to bookmark a row. Bookmarks appear at the top of the sidebar.
Prose Mode
Switch a row to Prose Mode for long-form writing. Bullets disappear and children stay expanded.
Reminders & Calendar
Any @tag with a date syncs to Apple Reminders or Calendar. Use @todo(3/15), @meeting(every monday 10:00), and so on.
Keyboard Shortcuts
Collapse, move, indent — all without reaching for the mouse.
Export
Export as Markdown, OPML, or plain text. Your data is never locked in.
Auto Backup
Restore past outlines from daily backups. Feel free to delete outlines you no longer need.
iCloud Sync
When iCloud is available, your outlines sync across Apple devices via CloudKit. Data is stored in your iCloud account, and the developer cannot access its contents.
Pay Once
Built natively for speed. Launches quickly and works offline. One-time purchase covers Mac, iPhone, and iPad — no subscription, no account required. A 7-day free trial is available.
Feedback
Feature requests and bug reports are always welcome. Reach us via the contact form at https://kosshi.app/contact or on X at @shirokumamake.