KnowTree vs Structree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowTree
Organize your thoughts and information hierarchically with parent-child relationships. Supports Markdown, images, and code blocks for rich note-taking. Offers flexible workflows and powerful search capabilities.
- Hierarchical note organization
- Markdown support
- Flexible workflow (top-down/bottom-up)
- Rich content (images, links, code)
- Search across all nodes
- Backup and restore functionality
- Multiple tree management (premium)
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◆ Organize notes in a "hierarchy" — and everything becomes clearer With most note-taking apps, as information piles up, it becomes hard to see how things are connected. "KnowTree" organizes your notes hierarchically with parent-child relationships. Group related information together so you can always find it again. --- ◆ Key Features [Tree Structure] Create nodes with parent-child relationships. Organize like "Main Topic → Subtopic → Details." No limit on how deep you can go. [Flexible Workflow] Start from the big picture (top-down), or jot down small notes and group them later (bottom-up) — both approaches work great. [Rich Content] Supports Markdown, images, links, and code blocks. Create notes that are clear and easy to read. --- ◆ Great For • Systematically organizing what you've learned • Structuring reading notes to match a book's outline • Managing project information in a hierarchy • Organizing your thoughts before writing • Connecting scattered notes into a coherent structure --- ◆ Features [Basic] • Create, edit, and delete nodes • Organize nodes with parent-child relationships • Markdown support • Search across all nodes • Trash (recover accidentally deleted notes) [Data Management] • Create and restore backups • Import data [Premium] • Create multiple trees • Ad-free experience • Premium color themes • Add images within note content • Export nodes • Home screen widget *Available with a Premium subscription (monthly) --- ◆ About Premium Plan Unlock all features with a monthly subscription. • Remove ads for a distraction-free experience • Access more color themes • Manage multiple trees for different purposes • Add images directly to your notes • Export in Markdown format • Quick access from your home screen You can cancel your subscription at any time. --- EULA (Apple Standard License Agreement) This app is subject to the Apple Media Services Standard End User License Agreement (Standard EULA). Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use Use of this app is subject to the following terms: KnowTree Terms of Use: https://uconpa.com/chishikinoki/terms/ Privacy Policy For information on how we handle user data: KnowTree Privacy Policy: https://uconpa.com/chishikinoki/privacypolicy/
Structree
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Structree is a simple app for organizing your thoughts into clear structures. Instead of keeping ideas as scattered notes, Structree helps you break them down into Worlds, Pyramids, Trees, and Nodes. Use it to organize projects, study topics, product ideas, personal plans, or any subject you want to understand more clearly. Create a World for a broad theme. Build Pyramids to shape your thinking. Use Trees to connect related ideas. Open Nodes to add detailed text and images. Structree is designed to stay simple. It focuses on structure, not complexity, so you can think clearly without being overwhelmed by too many features. Key features: - Organize ideas with Worlds, Pyramids, Trees, and Nodes - Add text blocks and images to Nodes - Search and reorder your structures - Keep your data on your device - Remove ads with an optional upgrade - Unlock larger limits with Pro Lifetime Structree is useful for: - Structured thinking - Idea organization - Study notes - Project planning - Product planning - Brainstorming - Personal knowledge organization If normal notes feel too flat, Structree gives your ideas a shape.
Screenshots
Verdict
The clearest difference is iOS requirement: Structree at 13.0 against KnowTree's 15.1. On price, update cadence, ads and in-app purchases 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. KnowTree sells 1 one-off in-app purchase and Structree sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
KnowTree ships an update every 9 days, Structree every 5 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | KnowTree | Structree |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 51 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Ukon Ryohei | Yuichi Sato |
In-app purchases
KnowTree
- KnowTree Premium$4.99
Structree
- Remove Ads$4.99
- Pro Lifetime$14.99









