Johan Raes johan@johanraes.be
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Fluo.

Product design | macOS

2026

A macOS app for interview research.

AI can summarise a pile of interviews in seconds. The question is whether you can trust it. In Fluo, every answer traces back to a moment in a recording, without the text turning into a wall of footnotes.

From claim to source

Click a citation and the source opens in place. The analysis stays where it was, one step back.

Citation, source, full session.
Citation, source, full session.

AI suggests, the researcher decides

Transcript, snippet, insight, artifact. Insights are suggested, then accepted or rejected. A rejected insight never comes back, and Fluo never marks up a transcript on its own.

From transcript to artifact. Only what the researcher accepts gets through.
From transcript to artifact. Only what the researcher accepts gets through.

Yellow means evidence

One colour, one meaning: something a participant actually said.

Yellow appears in four places, and nowhere else.

Local first

Interviews are personal data. Transcription runs entirely on the Mac, so recordings never leave the device. Analysis with an AI model only happens when you ask for it, and you choose where it runs. For many organisations, that decides whether a tool is allowed at all.