# FrobulatorAU vs Limn Audio Generator

FrobulatorAU and Limn Audio Generator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FrobulatorAU ships an update every 9 days, Limn Audio Generator weekly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FrobulatorAU | Limn Audio Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/frobulatorau/id6760205581/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Caldwell](https://appshunter.io/developer/993500585) | [JONATHAN RICHARD NICE](https://appshunter.io/developer/1886720486) |

## What reviewers say

### 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


### Limn Audio Generator

[App page](https://appshunter.io/ios/app/limn-audio-generator/id6762817558)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FrobulatorAU free?

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

### Is Limn Audio Generator free?

Limn Audio Generator is free to download, with no in-app purchases.

### Do FrobulatorAU or Limn Audio Generator have ads?

Neither FrobulatorAU nor Limn Audio Generator shows ads.

### Which is updated more often, FrobulatorAU or Limn Audio Generator?

FrobulatorAU ships an update every 9 days, and Limn Audio Generator weekly. Most recently, FrobulatorAU was updated on October 17, 2026 and Limn Audio Generator on October 13, 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.*