Trending on Substack this week
This page lists the themes gaining traction inside Substack right now — refreshed every few hours. Substack rewards depth over speed, so most of these have a longer runway than feed-based trends and pair well with longer newsletter formats.
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How we score trends on Substack
On Substack we weight Notes velocity, cross-publication mentions and recommendation network spread. We discount paywalled-only chatter where we can't verify reach.
- Notes velocity and cross-publication mentions
- Recommendation network spread
- Whether the theme fits long-form, short-form or both
- Whether the topic has runway beyond a single week
Trending on Substack: frequently asked
›How often is Substack trending data updated?
We refresh every public trending list roughly every six hours, over a rolling seven-day window — so what you see is current without flipping on every viral spike. Each Substack list shows the timestamp of the last refresh and a countdown to the next one at the top of the page.
›How should I read the Substack trend cards?
Each card has a title (the trend itself), a short "why now" explanation, and a signal meter (one to three bars) showing momentum. Whether to post, plan, or skip is your call — we don't pretend to know your audience better than you do.
›Can I use these trends commercially?
Yes. The on-page trends and the free embeddable widget are free to use, including on commercial sites, as long as you keep the TINS HUB attribution visible and you don't re-host, redistribute, or use the data to train AI models. Full terms live in §10a of our Terms of Service.
›How is this different from the personalized trends in the app?
This public page shows a generic per-platform list with no audience targeting. Signed-in TINS HUB members get trends scored for their specific niche, audience, geography and format, with ready-to-post hooks and outlines for each idea — that's the paid product.
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