# CIRCLES vs Hidden Codes

The clearest difference is review sentiment: Hidden Codes at 47% against CIRCLES's 29%. CIRCLES's advantage is update cadence (monthly vs every 2 months). 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.

CIRCLES ships an update monthly, Hidden Codes every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | CIRCLES | Hidden Codes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hidden-codes/id1556450569/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 28.6% of reviews | **47.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 56 MB | 202 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) | [Meron Mendel](https://appshunter.io/developer/1556435681) |

## What reviewers say

### CIRCLES

[App page](https://appshunter.io/ios/app/circles-berufsorientierung/id1528577876)

Discover a career that truly suits you by exploring your strengths, goals, and values. This app helps you match your self-assessment with profiles of real professionals and search for desired occupations. It's designed for all educational backgrounds to guide your future career choices.

**Highlights:** Self-assessment of strengths and values, Matching with professional profiles, Search for desired occupations, Guidance for career choices, Suitable for all educational levels

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CIRCLES free?

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

### Is Hidden Codes free?

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

### Do CIRCLES or Hidden Codes have ads?

Neither CIRCLES nor Hidden Codes shows ads.

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

CIRCLES ships an update monthly, and Hidden Codes every 2 months. Most recently, CIRCLES was updated on October 24, 2026 and Hidden Codes on October 24, 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.*