# GRDelay vs FrobulatorAU

The clearest difference is price: FrobulatorAU at Free against GRDelay's $1.99. GRDelay's advantage is iOS requirement (12.0 vs 15.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

FrobulatorAU is free to download; GRDelay costs $1.99 up front. 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 GRDelay against 5.0 for FrobulatorAU. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

## The numbers

| Metric | GRDelay | FrobulatorAU |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/grdelay/id6757957948/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/frobulatorau/id6760205581/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | Paid | **Free** |
| Size | 12 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Jackson](https://appshunter.io/developer/1072346998) | [Matthew Caldwell](https://appshunter.io/developer/993500585) |

## What reviewers say

### GRDelay

[App page](https://appshunter.io/ios/app/grdelay/id6757957948)

This audio effect plugin creates unique sound textures by generating up to 16 stereo 'grains' from delayed input audio. It offers randomization of grain shape, delay time, and pitch-shifting for experimental sound design.

**Highlights:** Granular synthesis-based delay, Up to 16 stereo grains, Randomized grain shape and delay time, Pitch-shifting and cascading grains, Standalone and AUv3 compatible

**In-app purchases:** none


### FrobulatorAU

[App page](https://appshunter.io/ios/app/frobulatorau/id6760205581)

This audio effect plugin transforms sounds with spectral delay, adding unique character to music projects. It's a free and open-source tool designed for use in various audio applications, offering extensive creative possibilities.

**Highlights:** Spectral delay effect, AUv3 plugin, Use in GarageBand, AUM, and other DAWs, Multiple instances per project, Free and open-source, No ads or in-app purchases

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GRDelay free?

GRDelay costs $1.99, with no in-app purchases.

### Is FrobulatorAU free?

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

### Which has better reviews, GRDelay or FrobulatorAU?

GRDelay and FrobulatorAU are both rated 5.0 out of 5 on the App Store, from 3 and 7 ratings respectively.

### Do GRDelay or FrobulatorAU have ads?

Neither GRDelay nor FrobulatorAU shows ads.

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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.*