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Outliner by Alfred Fritz
What Outliner by Alfred Fritz is
Outliner by Alfred Fritz is an Android app for arranging shopping lists, tasks, ideas, memos, and small projects as nested outlines. Each outline can contain titled activities with notes, due dates, and completion status, and users can create as many outlines as they need. Activities can be reordered and indented. Outlines can be displayed as a tree, a to-do list, a due-date list, or a list grouped by hashtag; some views require PRO. The free version provides basic features with no ads and no synchronization. PRO features require installing the separate Outliner Pro Key app, available for a one-time $5.00 USD purchase. PRO adds activity search, formatted notes, subtree editing and sorting actions, sharing, and synchronization with Google Tasks and Dropbox. The app can import CSV, Natara Bonsai, Treepad HJT, Treeline TRLN, OPML, and plain text; export options include those formats, with HTML available in PRO. The maker says outlines remain on the device unless cloud sync is configured. It is listed for Android phones, tablets, and Chromebooks, with no desktop app.
Who it suits
Outliner suits Android users who want to organize tasks, lists, notes, or small projects in nested outlines and view them by tree, due date, to-do status, or hashtag. People who need sync, search, formatted notes, or other PRO tools can add the separate key app; the free version is aimed at basic use without synchronization.
What it does well
- Create unlimited outlines with activities, notes, due dates, and completion status.
- Reorder and indent activities in a tree structure.
- Import from CSV, OPML, plain text, and other listed formats.
- Free version has no ads and supports basic needs.
- Outlines stay local unless cloud sync is configured.
What to know first
- Available for Android, with no desktop app listed.
- The free version has no sync.
- Some views and advanced actions require the separate PRO Key app.
- SD-card and Dropbox backups are unencrypted.
Limits
The free plan includes basic features, no ads, and no synchronization. PRO features require the separate $5.00 USD one-time key; Google Tasks officially supports only two levels of tasks and subtasks.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Basic features · no ads · no sync | Free |
| Outliner Pro Key | Unlocks PRO features in the free Android app | $5, paid once |
As android-outliner.blogspot.com lists them, read 8 Oct 2026. The maker's own page has the final word.
Getting started
- Install Outliner on an Android phone, tablet, or Chromebook.
- Create an outline and add titled activities, notes, due dates, or completion status.
- Choose a tree, to-do, due-date, or hashtag-grouped view; some views require PRO.
- For PRO features, install the Outliner Pro Key app for $5.00 USD once.
- Configure cloud synchronization only if you want to sync with Google Tasks or Dropbox.
Verdict
Pick Outliner if you want an Android app for organizing nested lists and small projects, and the free basic version meets your needs. Consider another option if you need a desktop app or synchronization without paying for PRO; Google Tasks sync is limited to two levels of tasks and subtasks.
Questions
Is Outliner free?
Yes. The free version has basic features and no ads, but it does not include sync. The Outliner Pro Key costs $5.00 USD once and unlocks PRO features.
Which devices can run Outliner?
It is listed for Android phones, tablets, and Chromebooks. No desktop app is listed.
What can I organize with Outliner?
It can organize shopping lists, tasks, to-do lists, ideas, memos, and small projects as outlines containing titled activities.
Can it synchronize with other services?
PRO can sync with Google Tasks and Dropbox. The tutorial also documents Treeline and OPML synchronization options.
What file formats can it import and export?
Listed formats include CSV, Natara Bonsai, Treepad HJT, Treeline TRLN, OPML, and plain text. HTML export is available with PRO.
Where is outline data stored?
The maker says outlines are stored in Android internal flash memory and are not sent to external servers unless cloud sync is configured. The maker also warns that SD-card and Dropbox backups are unencrypted.
Facts from Outliner by Alfred Fritz's own pages
- 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. · android-outliner.blogspot.com, 7 Oct 2026
- Data safety listing
- Google Play lists no data collected and no data shared with third parties for the app. · play.google.com, 8 Oct 2026
- Editing
- Activities can be reordered and nested, and PRO adds subtree operations such as cut, copy, paste, sorting, and zooming. · android-outliner.blogspot.com, 8 Oct 2026
- File formats
- Import and export formats include OPML, HTML (PRO), text, Bonsai CSV/OTL, Treepad HJT, and Treeline TRLN. · android-outliner.blogspot.com, 7 Oct 2026
- Free version
- The maker says the free version has no ads, supports basic needs, and sends no data to any server by default. · android-outliner.blogspot.com, 7 Oct 2026
- Google Tasks limit
- Google Tasks synchronization is limited to two levels of tasks and subtasks. · android-outliner.blogspot.com, 8 Oct 2026
- Headquarters
- Graz, Austria · android-outliner.blogspot.com, 28 Sept 2026
- 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. · play.google.com, 8 Oct 2026
- Integrations
- PRO supports Google Tasks, Dropbox synchronization with Treeline and OPML formats, and opening outlines from file managers or cloud apps. · play.google.com, 8 Oct 2026
- 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. · android-outliner.blogspot.com, 8 Oct 2026
- Notes
- PRO supports formatted activity notes, including bold, italic, font color, and font size. · android-outliner.blogspot.com, 7 Oct 2026
- Outlines
- Users can create an unlimited number of outlines, each made up of titled activities that can have notes and due dates. · android-outliner.blogspot.com, 7 Oct 2026
- Outline structure
- Users can create unlimited outlines with titled activities, notes, due dates, completion status, and tree, due, or todo views. · android-outliner.blogspot.com, 8 Oct 2026
- Platform availability
- The app is listed on Google Play for Android, including phone, tablet, and Chromebook device categories. · play.google.com, 8 Oct 2026
- 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. · android-outliner.blogspot.com, 8 Oct 2026
- 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. · android-outliner.blogspot.com, 7 Oct 2026
- Purpose
- Outliner organizes shopping lists, tasks, ideas, memos, and small projects in a collapsible tree structure. · android-outliner.blogspot.com, 8 Oct 2026
- Search
- PRO search finds terms in activity names and notes, across all outlines or within the open outline. · android-outliner.blogspot.com, 7 Oct 2026
- 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. · android-outliner.blogspot.com, 7 Oct 2026
- Support
- The app listing provides the support email [email protected]. · play.google.com, 8 Oct 2026
- Sync limitation
- Google Tasks officially supports only two levels, and the maker warns that its experimental multilevel sync can be removed and flatten outlines. · android-outliner.blogspot.com, 7 Oct 2026
- Views
- Outlines can be viewed as a tree, to-do list, due-date list, or hashtag-grouped list; some views require PRO. · android-outliner.blogspot.com, 7 Oct 2026
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