# Communication Test vs Mastermind

The clearest difference is update cadence: Mastermind at daily against Communication Test's every 4 months. Mastermind also leads on iOS requirement (13.4 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Communication Test ships an update every 4 months, Mastermind daily. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Communication Test | Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (6 ratings)](https://appshunter.io/ios/app/mastermind-stoic-joy-and-bliss/id6478835768/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Free |
| Size | 6 MB | 27 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Tseng](https://appshunter.io/developer/1217065716) | [Elvis Baltais](https://appshunter.io/developer/1687362188) |

## What reviewers say

### Communication Test

[App page](https://appshunter.io/ios/app/communication-test/id6465690199)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mastermind

[App page](https://appshunter.io/ios/app/mastermind-stoic-joy-and-bliss/id6478835768)

This app offers a sanctuary for mental well-being, providing curated exercises to reduce anxiety, alleviate depression, and conquer insomnia. Explore tailored categories and a comprehensive exercise collection to nurture your mind and reclaim joy.

**Highlights:** Anxiety reduction exercises, Depression alleviation tools, Insomnia relief techniques, Guided meditations, Mindful breathing exercises, Mood-boosting activities, Sleep improvement rituals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Communication Test free?

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

### Is Mastermind free?

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

### Do Communication Test or Mastermind have ads?

Neither Communication Test nor Mastermind shows ads.

### Which is updated more often, Communication Test or Mastermind?

Communication Test ships an update every 4 months, and Mastermind daily. Most recently, Communication Test was updated on October 6, 2026 and Mastermind on October 27, 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.*