# Uber Synth vs MRH159 Brown Sound

The clearest difference is price: Uber Synth at $3.99 against MRH159 Brown Sound's $19.99. Uber Synth also leads on update cadence (every 3 months vs every 32 months). MRH159 Brown Sound's advantage is rating (4.3 vs 2.0) and review sentiment (75% vs 50%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Uber Synth costs $3.99 and MRH159 Brown Sound $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MRH159 Brown Sound holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: MRH159 Brown Sound has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Uber Synth's written reviews are positive against 75% of MRH159 Brown Sound's.

Uber Synth ships an update every 3 months, MRH159 Brown Sound every 32 months. The most recent releases landed on October 23, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Uber Synth | MRH159 Brown Sound |
| --- | --- | --- |
| Price | **$3.99** | $19.99 |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/uber-synth/id601766687/reviews) | **[4.3 (9 ratings)](https://appshunter.io/ios/app/mrh159-brown-sound/id1567393984/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 33 MB |
| Requires iOS | **14.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Carlotto](https://appshunter.io/developer/293347135) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### Uber Synth

[App page](https://appshunter.io/ios/app/uber-synth/id601766687)

This app offers a polyphonic multi-timbral FM synthesizer for iOS devices. It features a triple-oscillator sound engine with five distinct multi-timbral options for creating evolving and complex soundscapes. Supports Audiobus for integration with other music apps.

**Highlights:** Polyphonic multi-timbral FM synthesizer, Triple-oscillator cross-modulated FM engine, Five multi-timbral options, Sound map and sound palettes, Evolving sound generation, Audiobus support

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

**In-app purchases:** none


### MRH159 Brown Sound

[App page](https://appshunter.io/ios/app/mrh159-brown-sound/id1567393984)

This app emulates a vintage Marshall Super Lead guitar amplifier, offering two channels and the ability to achieve the legendary 'Brown Sound' through specific modifications. It includes a recording chain emulation and noise gate, and works as a standalone app or within other audio applications.

**Highlights:** Vintage Marshall Super Lead 1959 emulation, Achieve 'Brown Sound' modifications, Two distinct channels, Recording chain emulation, Custom noise gate circuit, Standalone, AudioUnit v3, and Inter-App Audio support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Uber Synth free?

Uber Synth costs $3.99, with no in-app purchases.

### Is MRH159 Brown Sound free?

MRH159 Brown Sound costs $19.99, with no in-app purchases.

### Which has better reviews, Uber Synth or MRH159 Brown Sound?

MRH159 Brown Sound is rated higher. Uber Synth averages 2.0 out of 5 from 1 ratings, while MRH159 Brown Sound averages 4.3 from 9 ratings.

### Do Uber Synth or MRH159 Brown Sound have ads?

Neither Uber Synth nor MRH159 Brown Sound shows ads.

### Which is updated more often, Uber Synth or MRH159 Brown Sound?

Uber Synth ships an update every 3 months, and MRH159 Brown Sound every 32 months. Most recently, Uber Synth was updated on October 23, 2026 and MRH159 Brown Sound on November 3, 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.*