# LH Grain vs CARBONcontrol

The clearest difference is price: CARBONcontrol at Free against LH Grain's $2.99. CARBONcontrol also leads on update cadence (every 2 months vs every 15 months). LH Grain's advantage is iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

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

LH Grain ships an update every 15 months, CARBONcontrol every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | LH Grain | CARBONcontrol |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/lh-grain/id673676932/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 34 MB | 45 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [HIT Music](https://appshunter.io/developer/1438615693) |

## 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


### CARBONcontrol

[App page](https://appshunter.io/ios/app/carboncontrol/id6740755119)

**In-app purchases:** none


## Frequently asked questions

### Is LH Grain free?

LH Grain costs $2.99, with no in-app purchases.

### Is CARBONcontrol free?

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

### Do LH Grain or CARBONcontrol have ads?

Neither LH Grain nor CARBONcontrol shows ads.

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

LH Grain ships an update every 15 months, and CARBONcontrol every 2 months. Most recently, LH Grain was updated on September 10, 2026 and CARBONcontrol on September 9, 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.*