# GrainProc vs MetaSkew

The clearest difference is price: GrainProc at $2.99 against MetaSkew's $14.99. GrainProc also leads on ratings volume (18 vs 1). MetaSkew's advantage is rating (5.0 vs 4.2) and device support (4 vs 2). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

GrainProc costs $2.99 and MetaSkew $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MetaSkew holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: GrainProc has 18 ratings behind it against 1, so its average is the more settled of the two.

GrainProc ships an update every 2 months, MetaSkew every 5 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | GrainProc | MetaSkew |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | [4.2 (18 ratings)](https://appshunter.io/ios/app/grainproc-granular-synthesis/id572380905/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metaskew/id6762736788/reviews)** |
| Number of ratings | **18** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 6 MB | 13 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Mayank Sanganeria](https://appshunter.io/developer/527550366) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### GrainProc

[App page](https://appshunter.io/ios/app/grainproc-granular-synthesis/id572380905)

Create unique sounds and musical textures in real-time by processing external audio. This app features two parallel granular engines for layering sounds, offering a versatile tool for musicians and sound designers.

**Highlights:** Real-time granular synthesis, Two parallel grain engines, AudioBus input support, Waveform sound source manipulation, Control over volume, feedback, and density, Visual level monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### MetaSkew

[App page](https://appshunter.io/ios/app/metaskew/id6762736788)

This audio effect processor offers granular delay and pitch-shifting for creating width, motion, and unique textures. Shape delay times, pitch intervals, grain size, and stereo spread with built-in LFO modulation and extensive preset categories. It's ideal for producers, musicians, and sound designers seeking controlled sonic damage and experimental soundscapes.

**Highlights:** Granular delay and pitch-shifting, Adjustable grain size, smoothing, and gain, Stereo spread and asymmetry control, Built-in LFO modulation with multiple shapes, Extensive preset categories for production jobs, MIDI Learn for hardware control, Standalone app and AUv3 plugin support

**In-app purchases:** none


## Frequently asked questions

### Is GrainProc free?

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

### Is MetaSkew free?

MetaSkew costs $14.99, with no in-app purchases.

### Which has better reviews, GrainProc or MetaSkew?

MetaSkew is rated higher. GrainProc averages 4.2 out of 5 from 18 ratings, while MetaSkew averages 5.0 from 1 ratings.

### Do GrainProc or MetaSkew have ads?

Neither GrainProc nor MetaSkew shows ads.

### Which is updated more often, GrainProc or MetaSkew?

GrainProc ships an update every 2 months, and MetaSkew every 5 weeks. Most recently, GrainProc was updated on November 1, 2026 and MetaSkew on November 1, 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.*