Outliner vs FileCenter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Outliner
Organize your thoughts, tasks, and projects with a powerful outlining tool. Create structured lists, track project progress with visual indicators, and collaborate with others. Sync your work across devices and cloud storage for seamless access.
- Create structured outlines
- Track project progress with pie charts
- Sync with cloud storage (OneDrive, Dropbox)
- Collaborate with other users
- Drag and drop editing
- Search and filter outlines
- Archive old outlines
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CarbonFin Outliner allows you to organize your thoughts, tasks, and projects. Easily create a todo list for today, or track an entire project anywhere you are. Share your outlines, edit them online, and collaborate with other Outliner users. Highlights • Create outlines full of notes, structured lists, tasks, or detailed projects • Sync your outlines automatically to Outliner Online, OneDrive, or Dropbox for web or desktop editing • Get a quick view of project progress - tasks with subtasks show a pie-chart indicating percent completed Organize • Search through all your outlines or an individual outline • Tag your outlines, and filter based on tag • Archive old outlines to hide them from view without deleting Easy-to-use Editor • Drag and drop to move items within an outline • Copy, paste • Undo, redo • Expand all, collapse all • Optional outline numbering • Zoom in to focus on a single subtree Outliner Online • Securely synchronize your outlines with Outliner Online • View and edit your outlines in any web browser • Import and export outlines as plain text or OPML • Keep all your devices synchronized • Share an outline with other Outliner users to collaborate OneDrive and Dropbox • Sync your outlines with OneDrive or Dropbox to allow quick import/export • Seamlessly access and edit across your iOS devices and PCs -= Recent version history =- Version 3.21 • iPhone Duo support • Bug fixes Version 3.20 • iOS 27 support • Updated Dropbox and OneDrive integrations • Bug fixes Version 3.19 • iOS 26 support and adoption of liquid glass Version 3.18 • iOS 18 support • Dark and tinted app icons Version 3.17 • Minor bug fixes Version 3.16 • Minor bug fixes • iOS 17 support Version 3.15 • Fixed Dropbox integration • Show a warning when unlinking Dropbox/OneDrive if there are unsynced outlines • iOS 16 support Version 3.12 • Dark mode • Added confirmation to "Delete Completed" • Changing "Archived" won't update the outline's modification time • iOS 13 support Version 3.11 • OneDrive sync support Version 3.10 • Sync the order of outlines across devices (CarbonFin outlines only) • iOS 12 support Version 3.9 • iPhone X support • iOS 11 support Version 3.8 • Open In... support • Ability to hide the outline list on iPad • Minor UI tweaks
FileCenter
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FileCenter – Secure File Collection and Organization FileCenter helps individuals and teams collect, organize, and securely share documents and files. Create structured folders, invite others to contribute files, and keep everything organized in one place. Whether you're gathering documents from clients, coordinating files for a project, or sharing resources with a group, FileCenter simplifies the process. Create folders and subfolders to organize documents, media, and other files in a clear structure. Share a link or QR code that allows others to upload files directly into your shared folder. Control who can access your shared folders and collaborate with others without sending files through email. Use FileCenter for: • Collecting documents from clients • Sharing files with coworkers or teams • Project file organization • Class or group document sharing • Gathering forms or paperwork • Managing shared resources FileCenter provides a simple and secure way to collect and organize files from multiple contributors.
Screenshots
Verdict
The clearest difference is price: FileCenter at Free against Outliner's $4.99. FileCenter also leads on update cadence (every 9 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement 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
FileCenter is free to download; Outliner costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Outliner ships an update every 4 months, FileCenter every 9 days. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.
| Parameter | Outliner | FileCenter |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (89 ratings) — better | — |
| Positive reviews | 86.5% of reviews | — |
| Number of ratings | 89 — better | — |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 17 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | CarbonFin | Lucion Technologies LLC |
Bugs and requests
Outliner
Reported bugs
3 issues- Unexpected error: 500 when saving data
- Pane that lists outlines won't go away or resize
- Keyboard takes up too much screen space
Requested features
5 requests- Add due dates and priority levels for tasks
- Improve export and sharing options (e.g., PDF, Word)
- Implement better organization and search capabilities
- Introduce a desktop companion app for easier editing
- Add support for voice notes and other multimedia
FileCenter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Outliner
No in-app purchases
FileCenter
No in-app purchases









