# Duality Shift vs FrequencyCat

The clearest difference is ads: FrequencyCat at none against Duality Shift's shown. FrequencyCat also leads on monetization model (free vs ad-supported). Duality Shift's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Duality Shift against 5.0 for FrequencyCat. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Duality Shift ships an update every 25 months, FrequencyCat every 40 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Duality Shift | FrequencyCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/duality-shift-cadence-flux/id1480949911/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/frequencycat/id6448219399/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 25 months** | Every 40 months |
| Monetization | Ad-supported | **Free** |
| Size | 78 MB | 3 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luis Fraga](https://appshunter.io/developer/1175937121) | [Xuesong Zhang](https://appshunter.io/developer/1684075008) |

## What reviewers say

### Duality Shift

[App page](https://appshunter.io/ios/app/duality-shift-cadence-flux/id1480949911)

A mini rhythm game where players shift between two contrasting states to match the music's cadence. Master precision and timing through evolving soundscapes and responsive visuals. Experience harmony within duality.

**Highlights:** Dual state shifting mechanics, Rhythm-based gameplay, Evolving soundscapes, Responsive visuals, Precision timing challenges, Interactive musical experience

**Features:** macOS Compatibility

**In-app purchases:** none


### FrequencyCat

[App page](https://appshunter.io/ios/app/frequencycat/id6448219399)

Transform your photos into unique sound art using advanced image-to-sound technology. Explore, enjoy, and share your creative audio-visual pieces. Embrace your inner artist and discover the unexpected.

**Highlights:** Morph images into sound art, Create spectrogram oddities, Share sound art creations, Unique audio-visual experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Duality Shift free?

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

### Is FrequencyCat free?

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

### Which has better reviews, Duality Shift or FrequencyCat?

Duality Shift and FrequencyCat are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Duality Shift or FrequencyCat have ads?

Duality Shift shows ads; FrequencyCat does not.

### Which is updated more often, Duality Shift or FrequencyCat?

Duality Shift ships an update every 25 months, and FrequencyCat every 40 months. Most recently, Duality Shift was updated on October 29, 2026 and FrequencyCat on October 30, 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.*