Tree Notebook vs EZ Outliner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tree Notebook
Organize personal information with a hierarchical notes manager. Structure data into a tree-like hierarchy of folders and notes, with options for public and encrypted private sections. Features include powerful search, customizable item appearance, and event reminders.
- Tree-like hierarchical organization
- Public and encrypted private data sections
- Attachments (images, files)
- Multiple data views (tree, list, favorites, history)
- Powerful search capabilities
- Customizable item appearance
- Event reminders and calendar
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Tree Notebook is a hierarchical notes manager designed for keeping personal information. Tree Notebook runs on an iOS device (iPhone or iPad). Besides, there is a counterpart for OS Windows which can be synchronized with up to three iOS devices via a local Wi-Fi network. No access to Internet is needed for synchronizing. The data in Tree Notebook is divided in two parts: the public part accessible without password and the encrypted private part which requires password for opening. The data in every part is arranged as a tree-like multilevel hierarchy of folders and notes. Any folder can include notes and other folders, and so fourth. Any item (a note or a folder) can include text of any size. The items can keep attachments like images or other files. The app can represent data in several ways: as a tree, as a list of items (folders and notes) on the current level, as a list of manually selected items ("Favorites"), or the items visited recently ("History"). The contents of an individual item can be viewed or edited. Tree Notebook includes powerful search facilities: simplified or conditional global search, local search inside an item text. The items can be sorted by several criteria: alphabetically, by creation or modification time, and in manually defined order. The item titles can be attributed using a variety of font types, colored flags, graphic icons. Any item can have an Event attribute and serve as an alarm clock or reminder. A calendar feature is available to help managing events. The app is free to use both on iOS devices and desktop PC.
EZ Outliner
Create and organize outline documents from any device. This app supports unlimited outlines, color-coding, and printing. Sync your work across devices with an account for seamless access anywhere.
- Unlimited outline creation
- Color-coded organization
- Printable outlines
- Cross-device syncing
- Versatile use cases (lists, plans, speeches)
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EZ Outliner aims to be a simple yet easy to use outliner application, allowing you to create powerful and easy to read outline documents from any device, anywhere. Use EZ Outliner to create shopping and grocery lists, plans, schedules, outline speeches and presentations, to do lists, or anything else which takes the format of an outline. EZ Outliner currently contains everything you need to create basic outlines, but I will expand and add more based on user requests and feedback. Here is just a list of some of the things EZ Outliner can already do. - Create a virtually unlimited number of outlines for every use case and occasion! - Color code your outlines for better organization. - Print your outlines, from any device! Properly formatted outline printing is supported on all devices, as long as a printer is available. - Sync your outlines between devices. If you sign in with an Ape Apps account, you can sync your outline files across all of your devices. Work on a grocery list or presentation at home, then pull them up on your phone when you need them! The goal of EZ Outliner is to be quick and easy to use. If there are features you would like to see added, or if you can think of changes that will improve the app, e-mail me or let me know in the comments. This app is for you guys, so help me make it the best it can be!
Screenshots
Verdict
The clearest difference is rating: Tree Notebook at 4.4 against EZ Outliner's 3.7. Tree Notebook also leads on in-app purchases (none vs 1) and ads (none vs shown). EZ Outliner's advantage is update cadence (every 7 months vs every 25 months). On price, ratings volume 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
Both are free to download. EZ Outliner sells 1 one-off in-app purchase. Tree Notebook asks for nothing beyond the download.
Tree Notebook holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively.
Tree Notebook ships an update every 25 months, EZ Outliner every 7 months. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.
| Parameter | Tree Notebook | EZ Outliner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 25 months | Every 7 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 12 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Lena Pankratova | Brandon Stecklein |
Customer experience
Tree Notebook
EZ Outliner
In-app purchases
Tree Notebook
No in-app purchases
EZ Outliner
- EZ Outliner Premium$7.99








