# Einstein Challenge — Find who owns the fish

> Find who owns the fish (iPhone/iPad app by Joao Silva.)

- Source: https://appshunter.io/ios/app/einstein-challenge/id1293675691 (this page in markdown: same URL + `.md`)
- Developer: [Joao Silva](https://appshunter.io/developer/1293675690)
- Category: Games, Education, Puzzle
- Price: $0.99
- Age rating: 12+
- Requires: iOS 17.0 · 9 MB
- Languages: English, French, Portuguese, Spanish
- Released: 2017-10-07
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/einstein-challenge/id1293675691/reviews.md

## What is Einstein Challenge?

It's thought that Albert Einstein in the last century, released the following challenge:

In one street there are five houses with different colours.

In each one of them, live a person from different nationality.

Each one of these people likes a different drink and smokes a brand of cigarettes different from the others.

in addition, each one has a different kind of pet.

The question is: "who is the owner of the fish".

Follow the tips to find the answer.


## Version history (last 4 releases)

### 1.4 — 2026-04-20

Updated to iOS 17 and all modern devices. We're back.

### 1.3 — 2020-12-29

Compatible with IOS 14

### 1.1 — 2017-10-13

Bug fixes and improvements

### 1.0 — 2017-10-06

No release notes.

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## More apps by Joao Silva

- [Squar3](https://appshunter.io/ios/app/squar3/id1525996263)
- [A Ship](https://appshunter.io/ios/app/a-ship/id6738991981)

All apps by Joao Silva: https://appshunter.io/developer/1293675690

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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 2026-05-16.*