# frekvens vs FrequencyCat

The clearest difference is price: FrequencyCat at Free against frekvens's $2.99. FrequencyCat also leads on review sentiment (100% vs 83%) and rating (5.0 vs 4.8). frekvens's advantage is update cadence (every 2 months vs every 40 months) and ratings volume (21 vs 1). On ads and in-app purchases there is nothing between them.

FrequencyCat is free to download; frekvens costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FrequencyCat holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: frekvens has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of frekvens's written reviews are positive against 100% of FrequencyCat's.

frekvens ships an update every 2 months, FrequencyCat every 40 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | frekvens | FrequencyCat |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.8 (21 ratings)](https://appshunter.io/ios/app/frekvens/id1062305416/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequencycat/id6448219399/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 40 months |
| Monetization | Paid | **Free** |
| Size | 3 MB | 3 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [Xuesong Zhang](https://appshunter.io/developer/1684075008) |

## What reviewers say

### frekvens

[App page](https://appshunter.io/ios/app/frekvens/id1062305416)

This app offers a unique frequency shifter and stereo delay effect. It utilizes single sideband modulation and an infinite impulse response filter for advanced audio manipulation. Additional features include high/low pass filters and an LFO for delay modulation.

**Highlights:** Frequency shifter, Stereo delay, High and low pass filter, LFO for delay modulation, Core MIDI CC input, Audiobus and Inter-App Audio support, Audio Unit extension

**Features:** Vision Pro support

**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 frekvens free?

frekvens costs $2.99, with no in-app purchases.

### Is FrequencyCat free?

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

### Which has better reviews, frekvens or FrequencyCat?

FrequencyCat is rated higher. frekvens averages 4.8 out of 5 from 21 ratings, while FrequencyCat averages 5.0 from 1 ratings.

### Do frekvens or FrequencyCat have ads?

Neither frekvens nor FrequencyCat shows ads.

### Which is updated more often, frekvens or FrequencyCat?

frekvens ships an update every 2 months, and FrequencyCat every 40 months. Most recently, frekvens was updated on October 12, 2026 and FrequencyCat on October 6, 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.*