# Fermi — Test yourself!

> Test yourself! (iPhone/iPad app by Hui Jin.)

- Source: https://appshunter.io/ios/app/fermi/id1662149326 (this page in markdown: same URL + `.md`)
- Developer: [Hui Jin](https://appshunter.io/developer/1594777897)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 14 MB
- Languages: English
- Released: 2022-12-31
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/fermi/id1662149326/reviews.md

## What is Fermi?

An app to determine how good your estimation and problem solving skills are. This includes three different difficulties: Easy, Casual, and Advanced. You may find many similar questions asked in real competitions which is quite useful as this app will give you an advantage among peers. If you have any further questions or suggestions for the improvement, please feel free to contact our email which is located at the bottom of our privacy policy page.


## Version history (last 2 releases)

### 1.1 — 2023-01-17

- Added splash screen

### 1.0 — 2022-12-31

No release notes.

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| --- | --- | --- | --- |
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| [Ginkgo Memory & Brain Training](https://appshunter.io/ios/app/ginkgo-memory-and-brain-training/id1455760861) | 4.6 (66) | Free | Education |
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| [Learn Korean Language Konju](https://appshunter.io/ios/app/learn-korean-language-konju/id6443946863) | 4.2 (5) | Free | Education |

## More apps by Hui Jin

- [Memify - Meme Generator](https://appshunter.io/ios/app/memify-meme-generator/id1594777865)
- [Day Tracker for NWSS](https://appshunter.io/ios/app/day-tracker-for-nwss/id6444391672)
- [LiftLab - Fitness Tracker](https://appshunter.io/ios/app/liftlab-fitness-tracker/id6670456663)

All apps by Hui Jin: https://appshunter.io/developer/1594777897

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*