Both are AI-native. The architecture is different.
Reflect is a polished networked note app with AI built in. GPT-4. Backlinks. Graph view. End-to-end encryption. It's designed for individual thinkers who value privacy and connected ideas.
Hjarni is simpler on purpose. No bundled AI. A built-in MCP server lets the AI of your choice read, search, and write your notes directly.
AI inside versus AI alongside
Reflect's AI lives inside the app. You ask it questions and it works with your notes. But the AI stays in Reflect. Your notes don't travel to Claude or ChatGPT.
Hjarni takes the opposite approach. Your notes are available to any AI that supports MCP. Today that's ChatGPT and Claude. Tomorrow, whoever adds MCP support next.
A concrete workflow
You're synthesizing research from 20 notes. In Reflect, you'd use the built-in AI to summarize and link related ideas. The graph view helps you see connections visually.
In Hjarni, you'd ask Claude to search your research folder, synthesize across the notes, and save the summary as a new note. You can set folder-level instructions: "Cite specific notes. Use academic tone." Different path. Both get you to synthesis.
Reflect connects your ideas. Hjarni connects your ideas to your AI.
The two things people keep asking Reflect for
Reflect deliberately ships no folders and no hierarchy, and treats that minimalism as part of the pitch: everything lives in one flat, backlinked space. For people who think in structure, that turns into a steady request that the design will not grant. They want to nest notes, group them in folders, and file them under tags, and Reflect's answer is that they should not need to.
The second request is about the AI. The case is not that Reflect has no AI. It has one, it is well integrated, and many people like it. But it is a metered first-party chat: there is a daily character cap on how much it will read and write, and once you hit it the assistant stops until the next day unless you supply your own model-provider key. Hjarni takes the other path on both counts: it gives you the folders and tags people keep asking for, and instead of a metered in-app assistant it lets your own ChatGPT or Claude read and write your notes through MCP, with no per-day character cap.
When Reflect is the better fit
If you want end-to-end encryption and AI built into a beautiful personal note app, Reflect is excellent. It's especially strong for solo thinkers who don't need team features.
When people choose Hjarni instead
The case for Hjarni starts when you want your notes available to ChatGPT or Claude directly. When you want team collaboration. When you want different AI instructions for different folders. Or when you already pay for an AI and don't want another subscription.