antidoom vs Nibble, Kinnu and Imprint
Nibble, Kinnu and Imprint are microlearning apps: short lessons you do in a few minutes a day. antidoom does a similar job a different way. It's a free feed of cards you can scroll instead of social media, with no lessons to finish and no algorithm. Here's how they compare, so you can pick the one that suits you.
The biggest difference
Nibble, Kinnu and Imprint make their own lessons. antidoom doesn't make any content. Every card comes from people who already made something worth your time, like a publisher, a YouTube channel or Wikipedia, and links back to them so you can read or watch the original.
And nobody picks cards for you. Nibble builds a personal feed from the interests you choose. On antidoom, everyone starts with the same feed, nothing learns what you click, and only you can change the order.
The short version
Want structured lessons, quizzes and streaks? Try Nibble or Kinnu. Like illustrated, visual lessons? Try Imprint. Want something free to open instead of a social feed, with no sign-up and no algorithm? That's antidoom.
antidoom
Free, with no subscription and no account needed. Cards come from about 180 sources made by people, including Great Big Story, Tiny Desk, Atlas Obscura, Wikipedia and Hidden Brain, plus the day's news from outlets like the BBC and Al Jazeera. The short gist on each card is written by AI, and every card links to the original.
Where: anywhere, in any browser, on your phone or computer, in English.
Nibble
A microlearning app with short lessons across more than 35 topics, from about 1.5 to 15 minutes each, plus quizzes, games, and video and audio episodes. It builds a personal "For You" feed from the interests you pick. It's a subscription: Nibble lists about $49.99 a year in the US, with a 7-day free trial on the yearly plan.
Where: iPhone, Android and the web, in seven languages: English, Spanish, German, Brazilian Portuguese, Italian, French and Polish.
Kinnu
An app of learning pathways on general-knowledge topics, built around spaced repetition so what you learn sticks. Its core pathways are free, and the App Store lists optional paid extras such as certificates.
Where: an app, listed on the App Store in many countries, including the US and Australia.
Imprint
An app of illustrated, visual lessons on ideas, psychology and popular books. It's a subscription: the US App Store lists $99.99 a year or $15.99 a month, with a 7-day free trial.
Where: iPhone and Android, listed on the App Store in many countries, including the US, UK, France, Mexico and Japan.
Prices and availability are as listed in November 2026 and vary by country, so check each app's store page for what applies to you. Nibble, Kinnu and Imprint are trademarks of their owners, and antidoom isn't connected to them.