MemoGraph: Knowledge Graph

Say it, AI builds your graph

$5.99 · Designed for iPad. Not verified for macOS.

Just say what's on your mind and AI extracts the people, places, and things, plus how they connect, into a personal knowledge graph saved as Markdown on your device. Just speak, and AI organizes it for you. MemoGraph isn't an ordinary notes app. Say "I put the car keys in the desk drawer," and AI automatically extracts the key information and its relationships, building them into your personal knowledge graph. Later, ask "Where are my car keys?" and it walks the graph to answer instantly. ■ How it works • Speak or type, and AI classifies entities, aliases, locations, and relationships automatically • Move an item and it asks "Move it from the previous location?" before updating • Ask in natural language and it follows the graph to answer (based on location, history, and source text) • A knowledge graph view that shows your connected memories at a glance ■ Your data stays on your device • Every entry is saved as an Obsidian-compatible Markdown (.md) file • Open the vault folder in Obsidian and [[wikilinks]] work as-is • Choose local storage or iCloud sync • On supported devices, AI can run on-device. If Cloud AI is used, MemoGraph shows an in-app disclosure and asks for permission before sending your typed/dictated text and conversation context to Google Gemini. ■ Key features • AI auto-classification: natural language → entities + relationships + aliases • Bidirectional knowledge graph: an A→B relationship auto-creates the B→A backlink • Location conflict detection: moving an item prompts a confirmation of its previous spot • Voice input: on-device speech recognition • Location history: see current and past locations in chronological order • Browse and search by category: items, places, people, events, and ideas Just say what comes to mind. MemoGraph does the organizing. * Cloud AI classification requires entering a Google Gemini API key in Settings and explicitly agreeing to the in-app Cloud AI consent disclosure before any data is sent.

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This update improves reliability and privacy. • An API key entered in Settings now works right away, no relaunch needed • Inputs sent while offline are no longer lost — they're processed automatically once you're back online and shown in the chat • Moving an item to a new place is applied only after you confirm, and repeated statements no longer create duplicate links • Deletions now ask for confirmation and clean up all related links • Smoother performance with large vaults and iCloud • Improved English, Japanese and Chinese translations, and speech recognition in your device language

The developer, Byoungho Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • User Content
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
Byoungho Kim
Size
1.8 MB
Category
Productivity
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • iPad
    Requires iPadOS 18.0 or later.
  • Mac
    Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
English and 3 more
  • English, Japanese, Korean, Simplified Chinese
Age Rating
4+
Copyright
© 2026 MemoGraph