# LH Grain vs FrequencyCat

The clearest difference is review sentiment: FrequencyCat at 100% against LH Grain's 25%. FrequencyCat also leads on price (Free vs $2.99) and rating (5.0 vs 2.3). LH Grain's advantage is update cadence (every 15 months vs every 40 months) and ratings volume (3 vs 1). On ads, in-app purchases and device support there is nothing between them.

FrequencyCat is free to download; LH Grain 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 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 25% of LH Grain's written reviews are positive against 100% of FrequencyCat's.

LH Grain ships an update every 15 months, FrequencyCat every 40 months. The most recent releases landed on September 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | LH Grain | FrequencyCat |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/lh-grain/id673676932/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequencycat/id6448219399/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 40 months |
| Monetization | Paid | **Free** |
| Size | 34 MB | 3 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Xuesong Zhang](https://appshunter.io/developer/1684075008) |

## What reviewers say

### LH Grain

[App page](https://appshunter.io/ios/app/lh-grain/id673676932)

Create intricate soundscapes and dynamic audio effects with a dual-channel granular synthesizer. Features include diverse amplitude envelopes, extensive audio effects, and intuitive live performance tools like a touchpad and customizable pitch bar.

**Highlights:** Dual-channel granular synthesis, 8 amplitude envelope options, 10 integrated audio effects, Real-time touchpad control, Customizable pitch bar, OSC compatibility, Record and share sound files

**Features:** macOS Compatibility, 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 LH Grain free?

LH Grain 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, LH Grain or FrequencyCat?

FrequencyCat is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while FrequencyCat averages 5.0 from 1 ratings.

### Do LH Grain or FrequencyCat have ads?

Neither LH Grain nor FrequencyCat shows ads.

### Which is updated more often, LH Grain or FrequencyCat?

LH Grain ships an update every 15 months, and FrequencyCat every 40 months. Most recently, LH Grain was updated on September 26, 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.*