Kosshi Outliner vs ReFloat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kosshi Outliner
This native outliner app allows you to organize thoughts with a hierarchical structure, zoom into specific sections, and format text using Markdown. It supports images, sketches, internal links, and reminders, with seamless iCloud sync across Apple devices.
- Hierarchical outlining with indentation
- Zoom into specific rows
- Markdown formatting
- Image and file embedding
- Apple Pencil sketches
- Internal linking
- Reminders and calendar sync
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Kosshi is a fast, native outliner. Simple and smooth on large outlines. 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.
ReFloat
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You save articles, recipes, videos, and links all the time. From group chats, newsletters, social feeds — you see something interesting and think "I'll get to that later." But later never comes. Your read-later list grows. You feel guilty every time you open it. Eventually you stop opening it at all. Sound familiar? That's exactly why we built Refloat. Refloat is a different kind of read-later app. It's built around two ideas: saving should take no effort, and your links should come back to you — not the other way around. HOW IT WORKS 1. Share from any app — Safari, Chrome, WhatsApp, Slack, Instagram, email, wherever you find something worth saving. Tap Share, pick Refloat, choose when you want to see it again. Done. Two taps, under 3 seconds. 2. Refloat holds your links quietly — no overflowing inbox, no guilt-inducing counters. Your saved content waits until the right moment. 3. Your daily digest arrives on your schedule — set a reading window (morning commute, lunch break, evening wind-down) and Refloat delivers your links exactly when you said you'd be available. One tap to open, one swipe to move on. WHAT MAKES IT DIFFERENT Most read-later apps are just lists. You add things, the list gets longer, and nothing resurfaces unless you go digging. Refloat flips that. It actively brings your saved content back during the times you actually have space to read. No algorithms trying to maximize your screen time. No social features. No feeds. Just your links, delivered when you asked for them. KEY FEATURES - Save from any app in 2 taps — no typing, no organizing required - Automatic title extraction — Refloat grabs the page title so you don't have to - One-tap reminder presets — Tonight, Tomorrow, This Weekend, In 1 Hour - Daily digest notification — your links grouped and delivered at your chosen time - Reading window — tell Refloat when you're free, it respects that boundary - Quiet mode — save and return to what you were doing instantly, no interruptions - Works offline — your content is stored on your device, always accessible - No account needed — open the app and start saving, nothing to sign up for BUILT FOR YOUR PRIVACY All your saved links, titles, and preferences stay on your device. Refloat doesn't require an account and doesn't upload your content anywhere. We collect anonymous usage analytics to improve the app — that's it. No ads, no tracking, no data selling. Read our privacy policy for the full details. WHO IT'S FOR Anyone who saves more than they read. Professionals juggling work and personal content. Commuters with a 30-minute window they'd love to fill with that article they saved last Tuesday. People who are tired of their Pocket backlog hitting 300+ items. If you've ever thought "I wish I'd actually read the things I save" — that's what Refloat is for. Free. No account required.
Screenshots
Verdict
The clearest difference is in-app purchases: ReFloat at none against Kosshi Outliner's 1. ReFloat also leads on iOS requirement (15.6 vs 17.0). Kosshi Outliner's advantage is update cadence (every 3 days vs every 8 days). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Kosshi Outliner sells 1 one-off in-app purchase. ReFloat asks for nothing beyond the download.
Kosshi Outliner ships an update every 3 days, ReFloat every 8 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.
| Parameter | Kosshi Outliner | ReFloat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 days — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 29 MB | 27 MB |
| Age rating | 4+ | 12+ |
| Developer | Junichi Sato | Vitaly Radchik |
In-app purchases
Kosshi Outliner
- Kosshi Outliner$24.99
ReFloat
No in-app purchases









