Comparison

Outliner vs Screen Mirror for OBS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Screen Mirror for OBS

Stream your device's screen live to online broadcasts using a fast NDI format. This app utilizes a low-latency IP video protocol ideal for live video production. Ensure a fast network connection on the same network for optimal WiFi performance.

Highlights
  • Live screen streaming
  • Fast NDI format
  • Low latency IP video protocol
  • Suitable for online broadcasts
  • Network Device Interface integration
Features
Read full description

Stream your screen live using this app. Screen images are streamed using a fast NDI (Network Device Interface) format. Use this in your online broadcasts to show your viewers what's happening on your device's screen. This app uses a low latency IP video protocol that is designed for live video production. Please note that for WiFi use, a fast network connection is needed between your device and the network device interface receiver. The device and receiver should be on the same network. Please see the Support page for additional information if you have any issues with connectivity.

Screenshots

Outliner4 screens
Screen Mirror for OBS3 screens

Verdict

The call

The clearest difference is review sentiment: Outliner at 87% against Screen Mirror for OBS's 0%. Outliner also leads on rating (4.8 vs 2.0) and monetization model (free vs paid). Screen Mirror for OBS's advantage is update cadence (monthly vs every 4 months) and iOS requirement (13.5 vs 16.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Outliner costs $4.99 and Screen Mirror for OBS $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Outliner holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Outliner has 89 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 87% of Outliner's written reviews are positive against 0% of Screen Mirror for OBS's.

UpkeepUpdate frequency

Outliner ships an update every 4 months, Screen Mirror for OBS monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Outliner versus Screen Mirror for OBS: the parameters behind the verdict, then further details
ParameterOutlinerScreen Mirror for OBS
Price$4.99$4.99
Rating4.8 (89 ratings) — better2.0 (6 ratings)
Positive reviews86.5% of reviews — better0.0% of reviews
Number of ratings89 — better6
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.5 — better
Further details — not scored
Size17 MB4 MB
Age rating4+4+
DeveloperCarbonFinThomas Backes

Customer experience

Outliner

All ratings89 ratings
Positive93.3%
Neutral1.1%
Negative5.6%
Written reviews327 reviews
Positive86.5%
Neutral6.1%
Negative7.3%

Screen Mirror for OBS

All ratings6 ratings
Positive16.7%
Neutral0.0%
Negative83.3%
Written reviews7 reviews
Positive0.0%
Neutral14.3%
Negative85.7%

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

Screen Mirror for OBS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Outliner

No in-app purchases

None

Screen Mirror for OBS

No in-app purchases

Questions

Is Outliner free?
Outliner costs $4.99, with no in-app purchases.
Is Screen Mirror for OBS free?
Screen Mirror for OBS costs $4.99, with no in-app purchases.
Which has better reviews, Outliner or Screen Mirror for OBS?
Outliner is rated higher. Outliner averages 4.8 out of 5 from 89 ratings, while Screen Mirror for OBS averages 2.0 from 6 ratings.
Do Outliner or Screen Mirror for OBS have ads?
Neither Outliner nor Screen Mirror for OBS shows ads.
Which is updated more often, Outliner or Screen Mirror for OBS?
Outliner ships an update every 4 months, and Screen Mirror for OBS monthly. Most recently, Outliner was updated on November 6, 2026 and Screen Mirror for OBS on November 3, 2026.

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