Hjarni

Give your AI a memory

Free · Designed for iPad. Not verified for macOS.

Give your AI a memory. Save notes, connect ChatGPT or Claude, and your assistant remembers everything. Give ChatGPT and Claude long-term memory. Most AI conversations start from scratch. You re-explain your projects, preferences, and context every time. Hjarni is a simple knowledge base your AI can actually read, so you save a note once and your assistant remembers it across every conversation. Write notes in Markdown, organize them in folders, and tag them however you like. Then connect ChatGPT or Claude through MCP, and your AI reads, searches, and adds to your notes on its own. WHAT YOU CAN DO • Write and organize notes in Markdown • Create nested folders and tags • Search across all your notes instantly • Connect ChatGPT or Claude via the MCP protocol • Set custom instructions for how your AI uses your notes WHO IT'S FOR • Developers: architecture notes, runbooks, and conventions your AI can reuse • Researchers: literature notes and methods your AI can synthesize • Founders: strategy, customer interviews, and context your AI actually knows • Writers: style guides and source material so AI drafts in your voice YOUR DATA STAYS YOURS • We never train AI models on your notes • Export everything to Markdown anytime • You choose which assistants can connect, and you can revoke access anytime Create a free account and start building your AI's memory today.

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The developer, evert van den bruel, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • Identifiers
    • Usage Data

  • Data Not Linked to You

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

    • User Content
    • Diagnostics

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

Accessibility

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

Information

Seller
  • evert van den bruel
Size
  • 792.6 KB
Category
  • Productivity
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Age Rating
4+
Copyright
  • © 2026 Evert van den Bruel
  • Developer Website
  • Privacy Policy