Most note apps make you choose: you either get a free-form canvas for mapping ideas, or a structured place to write them down. Rarely both. I kept switching between a mindmap tool and a notes app, copy-pasting content between them, and losing the thread every time. That friction was the whole problem I wanted to fix.
I built SiuNote because I wanted a single calm place where a mindmap and its supporting notes could live together — not in two separate apps, not in a workaround folder structure, but genuinely linked. If you have a node on a mindmap for a book chapter or a meeting topic, you should be able to attach a full memo right to that node. That’s the core idea.
What it does
- Interactive mindmaps — Add, move, and connect nodes freely. Ideas branch out visually as you think, without fighting the interface to do it.
- Rich memos pinned to nodes — Each memo supports text, URLs, image attachments, and tags. Pin a memo directly to any mindmap node to keep context and detail in the same place.
- Nested folders for standalone memos — Not every note belongs on a mindmap. Organize freestanding memos with a folder structure that nests as deep as you need.
- Share-to-save from any app — Capture links, images, or text from your browser, Instagram, X, or a messenger with a single tap. They land straight into a memo without breaking your flow.
- Cloud sync across devices — Sign in once and your mindmaps and memos follow you to every device. Storage tiers go from 1 GB free up to 100 GB on the Pro plan, with no ads for subscribers.
Privacy matters here too. All data is encrypted at rest and in transit. You can sign in with Google, Apple, or email, and if you ever want to leave, deleting your account permanently wipes everything — no lingering data on a server somewhere.
SiuNote is built for people who think in branches but need the detail to back it up. That includes students mapping out lecture material, professionals taking structured meeting notes, and anyone who has ever maintained a “send to myself” thread in a chat app because there was nowhere better to put things. If you capture ideas fast and organize them later — or wish you did — this is aimed at you.
Version 1.0.0 is live on the Play Store now. It is early, it is honest, and the core loop — mindmap plus memo, together — already works the way I always wanted it to. Give it a try and let me know what you think.
Download on Google Play: SiuNote – Mindmap Memo & Notes
Official page: reactiveworks.dev/apps/siunote
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