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General knowledge
Ipso Facto
One fascinating fact a day, sourced and well told.
Every day, a surprising fact, checked by hand and shown with its source, told simply. The fact of the day lands on your Home Screen through the widget; the rest lives in a feed you scroll, on the topics you picked.
Preview
Features
What you’ll find in Ipso Facto
Fact of the day
On your Home Screen through the widget, without even opening the app.
Checked and sourced
Every fact is reviewed by hand and shows its source.
Your topics
Space, history, animals, psychology: the feed follows your interests.
Save and share
Favorites, plus a shareable card in one tap.
One notification a day
At the time you choose, with the line that makes you want to know more.
Five languages
French, English, German, Spanish and Italian.