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Games · Turkey
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Fermi
A daily estimation game
Fermi is a free daily estimation game for iOS and Android from AppFusion Labs. Every morning at 10:00 Turkey time it asks seven questions you can reason your way to, allows one guess each and scores every answer out of 100.
Highlights
What Fermi does best.
Each answer is scored out of 100: spot on is 100, double or half is 85, ten times off is 50.
At a glance
7new questions every morning
01
Seven questions a day, one guess per question
02
Napkin maths shows how you could have estimated each answer
03
Every answer sourced from official statistics or a reliable source
04
Daily leaderboard, streaks and 11 badges
05
Share your result as a card or an emoji grid
Screens
Take a closer look.
At a glance
The details.
- Developer
- AppFusion Labs, LLC
- Platforms
- iOS, Android, Web
- Requires
- iOS 18 or later · iPhone and iPad
- Google Play
- Available
- Languages
- Turkish
- Market
- Turkey
- Category
- Games
- Price
- Free to download
- Website
- fermi.tr
- Privacy
- Privacy policy
- Terms
- Terms of use
- Support
- [email protected]
Updated October 18, 2026
FAQ
Good questions.
What is Fermi?
Fermi is a free daily estimation game for iOS and Android from AppFusion Labs. Every morning at 10:00 Turkey time it asks seven questions you can reason your way to, allows one guess each and scores every answer out of 100.
Is Fermi free?
Yes. Fermi is free to download on iOS and Android.
Which devices does Fermi run on?
Fermi runs on iPhone and iPad with iOS 18 or later and on Android phones through Google Play.
Who makes Fermi?
Fermi is made by AppFusion Labs, LLC, an independent app studio in Newark, Delaware. You can reach the team at [email protected].
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Get started
Get Fermi today.
Seven new questions every morning, one guess each. Reason your way to the answer and score out of 100.