# AU3FX vs mLFO

The clearest difference is update cadence: AU3FX at every 4 days against mLFO's every 2 months. AU3FX also leads on rating (4.7 vs 4.5) and iOS requirement (12.0 vs 15.6). mLFO's advantage is price ($5.99 vs $6.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

AU3FX costs $6.99 and mLFO $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AU3FX holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 14 and 19 respectively. Written reviews complicate that: 75% of AU3FX's written reviews are positive against 80% of mLFO's, so the app with the better star average is not the one people write more warmly about.

AU3FX ships an update every 4 days, mLFO every 2 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | AU3FX | mLFO |
| --- | --- | --- |
| Price | $6.99 | **$5.99** |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/au3fxpush/id1596371447/reviews)** | [4.5 (19 ratings)](https://appshunter.io/ios/app/mlfo/id1602306976/reviews) |
| Number of ratings | 14 | **19** |
| Positive reviews | 75.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 4 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kymatica AB](https://appshunter.io/developer/522046659) | [Axart Labs OU](https://appshunter.io/developer/1814434331) |

## What reviewers say

### AU3FX

[App page](https://appshunter.io/ios/app/au3fxpush/id1596371447)

This audio effect plugin offers a versatile stereo dynamics processor with a noise gate, compressor/expander, and limiter. Achieve subtle compression, extreme pumping, or maximum loudness with its highly tweakable controls and high-quality DSP.

**Highlights:** Noise gate, Compressor/expander with side-chain, Limiter/clipper, Negative ratio support, External side-chain input, Parallel compression, Adjustable envelope followers

**Features:** Vision Pro support

**In-app purchases:** none


### mLFO

[App page](https://appshunter.io/ios/app/mlfo/id1602306976)

This app provides 16 programmable MIDI LFOs with extensive features for music production. It offers multiple parameters per LFO, independent output, and a wide rate range. It can be used as a standalone app or as an AUv3 plugin within compatible host applications.

**Highlights:** 16 programmable MIDI LFOs, Multiple parameters per LFO, Independent output and MIDI channel, Wide rate range, Custom shape creation (free and ADSR), 4 trigger modes including random retrigger

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

**In-app purchases:** none


## Frequently asked questions

### Is AU3FX free?

AU3FX costs $6.99, with no in-app purchases.

### Is mLFO free?

mLFO costs $5.99, with no in-app purchases.

### Which has better reviews, AU3FX or mLFO?

AU3FX is rated higher. AU3FX averages 4.7 out of 5 from 14 ratings, while mLFO averages 4.5 from 19 ratings.

### Do AU3FX or mLFO have ads?

Neither AU3FX nor mLFO shows ads.

### Which is updated more often, AU3FX or mLFO?

AU3FX ships an update every 4 days, and mLFO every 2 months. Most recently, AU3FX was updated on October 21, 2026 and mLFO on October 11, 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.*