Stop satisfying the algorithm.

Start satisfying your curiosity.

Backed by 1,000+ trusted sources — from NIH to NASA to Harvard.

Kno app showing fact cards

Every card is a fact worth knowing.

Each one takes 30 seconds to read. Swipe up for the next. No infinite scroll designed to keep you stuck — just knowledge, one card at a time.

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Every fact has a receipt.

No random internet claims. No “a study says” without saying which one. Every card in Kno links directly to its source — and we only use sources you’d trust with your health, your money, or your understanding of the universe.

NIH · Harvard Health · NASA · Smithsonian · Nature · WHO · Mayo Clinic · MIT · Stanford · CDC

1,000+ sources. Every single fact backed.

12 topics. Thousands of rabbit holes.

Start with what you know. Discover what you don’t. From how your brain tricks you to why markets crash — there’s always something worth your next scroll.

Science Psychology History Space Health Philosophy Technology Economics Arts & Culture Nature Mathematics Literature
Explore page showing category cards like Economics and History

Curious? Go deeper.

Every card is a starting point, not a dead end. Tap “Ask More” and keep going — ask anything, follow your curiosity, go as deep as you want. The AI knows exactly what you just read.

“Your curiosity has no ceiling.”

Ask More AI response about oral microbiome

Watch your brain level up.

After a week on TikTok, you have nothing to show for it. After a week on Kno, you do.

Track posts you’ve read, earn achievements, and build a knowledge habit that actually sticks. No streaks that guilt-trip you — just progress you can feel.

Profile page showing Level 8, achievements, and reading stats

Stop satisfying the algorithm.

Start satisfying your curiosity.

Join ... curious minds already on the list.

No ads. No spam. Just knowledge.