# Zenphonia vs StroopTest

The clearest difference is price: Zenphonia at Free against StroopTest's $1.99. Zenphonia also leads on update cadence (every 6 weeks vs every 8 months). StroopTest's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On ads and device support there is nothing between them.

Zenphonia is free to download; StroopTest costs $1.99 up front. Zenphonia sells 2 in-app purchases, starting at $5.49 per month. StroopTest asks for nothing beyond the download.

Zenphonia ships an update every 6 weeks, StroopTest every 8 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Zenphonia | StroopTest |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strooptest/id1611350852/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 90 MB | 36 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [jamXmusic GmbH & Co KG](https://appshunter.io/developer/1504134286) | [Yellow Riders](https://appshunter.io/developer/1209479274) |

## What reviewers say

### Zenphonia

[App page](https://appshunter.io/ios/app/zenphonia/id1504134287)

Reduce stress, improve sleep, and find more balance with guided audio sessions. This app offers a unique approach to mindfulness, combining expert knowledge with sound sequences to enhance mental well-being and resilience.

**Highlights:** Harmonizing audio sound sequences, Personalized recommendations, Medical background information, Meditation planner, Offline mode, Community sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly Pass | $5.49 | per month |
| All Access Yearly | $59.99 | per year |


### StroopTest

[App page](https://appshunter.io/ios/app/strooptest/id1611350852)

This app presents a classic psychology test where you identify the color of a word, measuring your reaction time. It offers multilingual support and visualizes your performance over time with graphs.

**Highlights:** Color-word association test, Reaction time measurement, Performance graphing, Multilingual support, Classic psychology experiment

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

**In-app purchases:** none


## Frequently asked questions

### Is Zenphonia free?

Zenphonia is free to download, with in-app purchases available.

### Is StroopTest free?

StroopTest costs $1.99, with no in-app purchases.

### Do Zenphonia or StroopTest have ads?

Neither Zenphonia nor StroopTest shows ads.

### Which is updated more often, Zenphonia or StroopTest?

Zenphonia ships an update every 6 weeks, and StroopTest every 8 months. Most recently, Zenphonia was updated on October 11, 2026 and StroopTest on October 8, 2026.

---

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