# Hidden Codes vs freii

The clearest difference is update cadence: freii at fortnightly against Hidden Codes's every 2 months. Hidden Codes's advantage is review sentiment (47% vs 36%). On price, ads, in-app purchases and monetization model 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, freii fortnightly. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hidden Codes | freii |
| --- | --- | --- |
| 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** | 36.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 202 MB | 10 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Meron Mendel](https://appshunter.io/developer/1556435681) | [Villa Schöpflin gGmbH](https://appshunter.io/developer/1450411270) |

## 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


### freii

[App page](https://appshunter.io/ios/app/freii/id6758774473)

This program guides families with teens aged 11-15 to balance media use and free time. It offers daily tasks, videos, and quizzes for teens, alongside tips and activities for parents, fostering better communication and a healthier digital lifestyle.

**Highlights:** 21-day program for families, Daily content for teens, Videos, quizzes, and challenges, Parental tips and activities, Family challenges for shared activities, Support for conscious media habits

**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 freii free?

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

### Do Hidden Codes or freii have ads?

Neither Hidden Codes nor freii shows ads.

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

Hidden Codes ships an update every 2 months, and freii fortnightly. Most recently, Hidden Codes was updated on October 9, 2026 and freii on October 8, 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.*