Medium launches TK, a free note-taking app built around private group writing
The app's shared Libraries offer writers an audience of invited readers at a time when search referrals to Medium have been shrinking.
Medium has launched TK, a free note-taking and journaling app that is available on the web, Android and iOS, with a native desktop app promised later. Its main pitch is private, group-based blogging through shared Libraries where members post writing for one another rather than for public traffic, which matters because Medium, like many sites, depends heavily on Google referrals that have been shrinking. TK also places an AI assistant inside the editor, summoned by typing "@TK", to answer questions, surface earlier notes, and give editorial, headline and style-guide feedback. Medium says writers can optionally publish provenance notes that explain how AI was used in a piece, and the app can connect to a user's own AI agent through an MCP server or Claude skill. Medium describes itself as profitable and says TK will remain free for those with a Medium account.
Why it matters
TK points Medium's writers toward small, invited readerships instead of public traffic that depends on search engines. For people who write and publish online, it offers a private place to draft, share and get AI feedback, with an optional note explaining how AI was used in a piece. Medium says the app is free for anyone with a Medium account and that the company is profitable, so the change is not being made under financial pressure.
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