KnowTree vs Mistake Board
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
KnowTree
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β Organize notes in a "hierarchy" β 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. --- β Key Features [Tree Structure] Create nodes with parent-child relationships. Organize like "Main Topic β Subtopic β 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) β both approaches work great. [Rich Content] Supports Markdown, images, links, and code blocks. Create notes that are clear and easy to read. --- β Great For β’ Systematically organizing what you've learned β’ Structuring reading notes to match a book's outline β’ Managing project information in a hierarchy β’ Organizing your thoughts before writing β’ Connecting scattered notes into a coherent structure --- β Features [Basic] β’ Create, edit, and delete nodes β’ Organize nodes with parent-child relationships β’ Markdown support β’ Search across all nodes β’ Trash (recover accidentally deleted notes) [Data Management] β’ Create and restore backups β’ Import data [Premium] β’ Create multiple trees β’ Ad-free experience β’ Premium color themes β’ Add images within note content β’ Export nodes β’ Home screen widget *Available with a Premium subscription (monthly) --- β About Premium Plan Unlock all features with a monthly subscription. β’ Remove ads for a distraction-free experience β’ Access more color themes β’ Manage multiple trees for different purposes β’ Add images directly to your notes β’ Export in Markdown format β’ 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/
Mistake Board
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Rushed to argue in a meeting, bought a subscription on impulse, or agreed to extra work while exhausted? Capture it in one line and leave yourself a better next step. Mistake Board is a local-first reflection journal. One line is enough to save a note. Expand the optional reflection when you want to add what happened and why. Write how to avoid it next time to create a prevention card automatically. You can: β’ Keep active notes on a board and file them when resolved β’ Log βIt Happened Againβ on the same record and keep its timeline β’ Review recurring patterns over 7 or 30 days β’ Pin an action rule and set a free weekly review reminder β’ Search, export, and create or restore JSON backups No account is required. Your records stay on your device. Feedback is optional: only when you submit, your text, optional email, and the app/device information listed on the form are forwarded through the feedback server. Records are not uploaded automatically. Recording, the board, review, cards, recurrences, search, export, and backup restore stay free. An optional one-time Pro purchase adds a privacy lock, extra reminders, and Home Screen / Lock Screen widgets. The App Store shows the price.
Screenshots
Verdict
The clearest difference is in-app purchases: Mistake Board at none against KnowTree's 1. Mistake Board also leads on ads (none vs shown). KnowTree's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. KnowTree sells 1 one-off in-app purchase. Mistake Board asks for nothing beyond the download.
KnowTree ships an update every 9 days, Mistake Board every 5 days. The most recent releases landed on September 24, 2026 and October 12, 2026 respectively.
| Parameter | KnowTree | Mistake Board |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 5 days β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 51 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Ukon Ryohei | ζΆ ι» |
In-app purchases
KnowTree
- KnowTree Premium$4.99
Mistake Board
No in-app purchases
Questions
Is KnowTree free?
Is Mistake Board free?
Do KnowTree or Mistake Board have ads?
Which is updated more often, KnowTree or Mistake Board?
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