# Hidden Codes vs PhysioQuiz

The clearest difference is update cadence: PhysioQuiz at daily against Hidden Codes's every 2 months. Hidden Codes's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hidden Codes ships an update every 2 months, PhysioQuiz daily. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Hidden Codes | PhysioQuiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hidden-codes/id1556450569/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 202 MB | 45 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Meron Mendel](https://appshunter.io/developer/1556435681) | [Henrik Schuster](https://appshunter.io/developer/6798389904) |

## What reviewers say

### Hidden Codes

[App page](https://appshunter.io/ios/app/hidden-codes/id1556450569)

This educational game simulates a social media environment to teach young people about online radicalization. Players learn to identify problematic content and understand how extremist groups use digital media. It addresses topics like political codes, conspiracy myths, and how to respond to radicalization in one's social circle.

**Highlights:** Simulated social media environment, Identify problematic content, Understand extremist online tactics, Learn about political codes and myths, Guidance on responding to radicalization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PhysioQuiz

[App page](https://appshunter.io/ios/app/physioquiz/id6811429177)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Codes free?

Hidden Codes is free to download, with no in-app purchases.

### Is PhysioQuiz free?

PhysioQuiz is free to download, with no in-app purchases.

### Do Hidden Codes or PhysioQuiz have ads?

Neither Hidden Codes nor PhysioQuiz shows ads.

### Which is updated more often, Hidden Codes or PhysioQuiz?

Hidden Codes ships an update every 2 months, and PhysioQuiz daily. Most recently, Hidden Codes was updated on November 7, 2026 and PhysioQuiz on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*