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Outliner by Alfred Fritz

android-outliner.blogspot.com

Free plan Android
Visit android-outliner.blogspot.com
Spec score 8.3 #10 of 22 in Outlining Software

What it is

Outliner by Alfred Fritz is an Android app for organizing shopping lists, tasks, to-do items, ideas, memos, and small projects in collapsible outlines. Each outline can contain unlimited titled activities with notes, due dates, and completion status. You can switch among tree, to-do, due-date, and hashtag-grouped views, although some views require PRO. Activities can be reordered and indented; PRO adds subtree cut, copy, paste, sorting, sharing, full-text search, and formatted notes with bold, italic, font color, and font size. Synchronization options include Google Tasks and Dropbox, with Treeline and OPML options documented in the tutorial. Imports include CSV, Natara Bonsai, Treepad HJT, Treeline TRLN, OPML, and plain text; PRO adds exports such as HTML. The free version has no ads and no sync. PRO requires the separate Outliner Pro Key app. Android is the listed platform, including phones, tablets, and Chromebooks.

Spec sheet

Purpose
Outliner organizes shopping lists, tasks, ideas, memos, and small projects in a collapsible tree structure.Read 8 Oct 2026 · android-outliner.blogspot.com
Integrations
PRO supports Google Tasks, Dropbox synchronization with Treeline and OPML formats, and opening outlines from file managers or cloud apps.Read 8 Oct 2026 · play.google.com
Security
The maker says local outlines are stored in Android internal flash memory and are protected by Android security mechanisms if the phone is not rooted and is password- or PIN-protected.Read 7 Oct 2026 · android-outliner.blogspot.com
Privacy
The maker says the free version has no ads and sends no data to a server; by default, data is not sent to external servers unless cloud sync is configured.Read 8 Oct 2026 · android-outliner.blogspot.com
Support
The app listing provides the support email [email protected].Read 8 Oct 2026 · play.google.com
Headquarters
Graz, AustriaRead 28 Sep 2026 · android-outliner.blogspot.com
Backup limitation
The tutorial warns that SD-card backups are unencrypted and may be exposed if the phone is lost; Dropbox backups are also unencrypted.Read 7 Oct 2026 · android-outliner.blogspot.com
Data safety listing
Google Play lists no data collected and no data shared with third parties for the app.Read 8 Oct 2026 · play.google.com
Editing
Activities can be reordered and nested, and PRO adds subtree operations such as cut, copy, paste, sorting, and zooming.Read 8 Oct 2026 · android-outliner.blogspot.com
File formats
Import and export formats include OPML, HTML (PRO), text, Bonsai CSV/OTL, Treepad HJT, and Treeline TRLN.Read 7 Oct 2026 · android-outliner.blogspot.com
Free version
The maker says the free version has no ads, supports basic needs, and sends no data to any server by default.Read 7 Oct 2026 · android-outliner.blogspot.com
Google Tasks limit
Google Tasks synchronization is limited to two levels of tasks and subtasks.Read 8 Oct 2026 · android-outliner.blogspot.com
Import and export
The app lists imports from CSV, Natara Bonsai, Treepad HJT, Treeline TRLN, OPML, and plain text; PRO adds broader export options including HTML.Read 8 Oct 2026 · play.google.com
Local data
The maker says outlines are stored in Android internal flash memory and are usually protected by Android security when the device is not rooted and is password- or PIN-protected.Read 8 Oct 2026 · android-outliner.blogspot.com
Notes
PRO supports formatted activity notes, including bold, italic, font color, and font size.Read 7 Oct 2026 · android-outliner.blogspot.com
Outline structure
Users can create unlimited outlines with titled activities, notes, due dates, completion status, and tree, due, or todo views.Read 8 Oct 2026 · android-outliner.blogspot.com
Outlines
Users can create an unlimited number of outlines, each made up of titled activities that can have notes and due dates.Read 7 Oct 2026 · android-outliner.blogspot.com
Platform availability
The app is listed on Google Play for Android, including phone, tablet, and Chromebook device categories.Read 8 Oct 2026 · play.google.com
PRO access
PRO features are enabled by additionally installing the Outliner Pro Key app, and one purchased Play Store account can install the key on multiple Android devices.Read 7 Oct 2026 · android-outliner.blogspot.com
Search
PRO search finds terms in activity names and notes, across all outlines or within the open outline.Read 7 Oct 2026 · android-outliner.blogspot.com
Sync limitation
Google Tasks officially supports only two levels, and the maker warns that its experimental multilevel sync can be removed and flatten outlines.Read 7 Oct 2026 · android-outliner.blogspot.com
Views
Outlines can be viewed as a tree, to-do list, due-date list, or hashtag-grouped list; some views require PRO.Read 7 Oct 2026 · android-outliner.blogspot.com

Plans and prices

Free Free Basic features · no ads · no sync Read 8 Oct 2026 · android-outliner.blogspot.com
Outliner Pro Key $5, paid once Unlocks PRO features in the free Android app Read 8 Oct 2026 · play.google.com

Every Outliner by Alfred Fritz plan and price →

Strong points and limits

Strong points

  • Unlimited outlines and titled activities
  • Tree, to-do, due-date, and hashtag views
  • Imports and exports multiple outline formats
  • Free version has no ads
  • No data sent by default

Limits

  • Android only; no desktop app listed
  • Some views and tools require PRO
  • Google Tasks sync supports only two levels
  • SD-card and Dropbox backups are unencrypted

Who it suits

It suits Android users who want hierarchical lists and project notes, with optional PRO tools and integrations. It is also suitable for users who prefer local storage and no ads in the free version.

Verdict

Outliner combines deep outline organization with broad import and export support on Android. The free app covers basic list work, while PRO adds search, formatting, sharing, and synchronization for users who need them.

Where Specifiction places it

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