Kosshi Outliner vs Notivx
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.
Notivx
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Your notes deserve better. Notivx is the note-taking app built for how you actually use the web — clip articles, save ideas, and keep everything searchable in one place. Tired of bookmarks you never revisit? YouTube videos lost in your history? Posts that vanished from your timeline? Notivx captures it all. Switching from Evernote? Full .enex import supported. Tired of overcomplicated tools? Notivx gives you exactly what you need — nothing more, nothing less. --- SAVE SOCIAL MEDIA & VIDEO CONTENT Embed YouTube videos, X posts, and Instagram content directly in your notes. Never lose track of that important post that scrolled past in your timeline. Flexible video content handling: - Supported sites display embedded video right in your notes - Other sites saved as links for one-tap access - Downloadable video files saved to your device for offline viewing Everything you bookmarked but never went back to — now safely captured in your notes. --- CLIP THE WEB WITH ONE TAP Built-in Safari extension (Action + Share) strips ads and clutter, saving only the article content you want. News sites, blogs, social media — clip any web content instantly. --- BLOCK-BASED EDITOR Build notes your way with flexible blocks: - Text blocks for freeform writing - Checklists for tasks and to-dos - Lists for ordered and unordered items - Dividers to organize sections - Attachments for images, video, audio, PDF, and files Drag, reorder, and nest blocks to structure anything from quick memos to detailed documents. --- POWERFUL FULL-TEXT SEARCH Custom FTS5 search engine with n-gram tokenization handles English, Japanese, Chinese, Korean, and more. Premium users get OCR search across images and PDFs — find text inside any attachment. --- SYNC ACROSS ALL DEVICES iCloud sync keeps your notes up to date on iPhone, iPad, and Mac. Access your latest content anytime, anywhere. --- SWITCH FROM EVERNOTE Import your entire Evernote library via .enex files — notes, tags, and attachments come along. Backup and restore with .pnbak format for complete data safety. --- RICH MEDIA ATTACHMENTS Go beyond text — attach anything to your notes: - Photos and images - Video recordings - Voice memos - PDF documents - Any file type --- FREE & PREMIUM Free: - Up to 50 notes - Full block editor - Safari web clipping - iCloud sync - Full-text search Premium (monthly subscription): - Unlimited notes - Video storage - OCR text recognition for images & PDFs - Search inside attachments - Priority support --- Simply enough — Notivx helps you capture, organize, and find your notes and web content with ease. Download now and start building your personal knowledge base. --- Subscription Details: - Premium is a monthly auto-renewing subscription - Payment is charged to your Apple ID account at purchase confirmation - Subscription auto-renews unless canceled at least 24 hours before the end of the current period - Renewal is charged within 24 hours prior to the end of the current period - Manage and cancel subscriptions in your Account Settings after purchase Privacy Policy: https://muscle-t.com/privacy-policy-notivx Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Kosshi Outliner and Notivx are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 and Notivx sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Kosshi Outliner | Notivx |
|---|---|---|
| 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 | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 23 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Junichi Sato | Mamiko Tsukamoto |
In-app purchases
Kosshi Outliner
- Kosshi Outliner$24.99
Notivx
- Notivx Pro$3.991 Month









