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HieroNote: Outliner & Notes is made and published by
KeiK LLC.
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The app name, icon, screenshots and description belong to KeiK LLC and are shown as
published on the App Store.
About HieroNote: Outliner & Notes
HieroNote: Outliner & Notes is an utilities app developed by KeiK LLC.
User Ratings
HieroNote: Outliner & Notes is rated 5.00 out of 5 stars. The rating is based on one rating ratings.
App Information
HieroNote: Outliner & Notes is freely available from the App Store. The app size is 14.90 MB. The latest version available is 2.70. The last update was on August 21, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since November 2025.
Description by KeiK LLC(from the App Store)
HieroNote - Hierarchical Outliner
A next-generation note app that organizes your thoughts. Visually organize information with hierarchical structure and manage complex ideas simply.
【Key Features】 ■ Hierarchical Tree Structure Organize ideas with parent-child relationships. Create deep hierarchies freely.
■ Intuitive Controls ・Drag & drop to reorder ・Swipe left/right to indent/outdent ・Tap to edit details
■ Image Attachments & Slideshow Attach photos and screenshots to nodes. View multiple images as a slideshow with auto-play support.
■ Music Player Attach and play MP3, M4A, and WAV files. Organize audio files in child nodes to create your own playlists.
■ Auto-Save Edits are automatically saved. No worries about data loss.
■ Undo/Redo Support Made a mistake? No problem. Undo anytime.
■ Multiple Note Management Create and manage multiple notes for different purposes.
■ iCloud Sync Sync your notes across multiple devices.
【Recommended For】 ・Those who want to organize ideas hierarchically ・Those who want to manage project tasks ・Those who want to create reading notes or study notes ・Those who want to create outlines like mind maps ・Those who want to structure meeting notes ・Those who want to organize and play music files
【How to Use】 1. Tap "+" to add a new node 2. Drag to reorder 3. Drag left/right to adjust indentation 4. Tap to edit details 5. Long press for move/delete menu
【Features】 ・Simple and intuitive UI ・Lightweight performance ・Privacy-focused (data stored on device or iCloud) ・Ad-free
With simple and intuitive controls, structure your thoughts freely. Start a new experience in information organization with HieroNote.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.