# MARRS vs Oscillators

The clearest difference is update cadence: Oscillators at every 4 months against MARRS's every 14 months. MARRS's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

MARRS ships an update every 14 months, Oscillators every 4 months. The most recent releases landed on September 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MARRS | Oscillators |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 43 MB | 4 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE UNIVERSITY OF HUDDERSFIELD ENTERPRISES LIMITED](https://appshunter.io/developer/1023669920) | [Alexandre Francois](https://appshunter.io/developer/506866962) |

## What reviewers say

### MARRS

[App page](https://appshunter.io/ios/app/marrs/id1295926126)

This application simulates microphone arrays for sound localization prediction. It offers an object-based workflow to configure microphone setups and predict perceived sound source positions based on psychoacoustic models. The tool also automatically configures arrays for desired spatial scenes, considering microphone height and vertical orientation.

**Highlights:** Interactive object-based workflow, Graphical user interface, Localization prediction, Microphone array configuration, Psychoacoustic modeling, Automatic array setup, Considers microphone height and orientation

**Features:** macOS Compatibility

**In-app purchases:** none


### Oscillators

[App page](https://appshunter.io/ios/app/oscillators/id1641353759)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MARRS free?

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

### Is Oscillators free?

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

### Do MARRS or Oscillators have ads?

Neither MARRS nor Oscillators shows ads.

### Which is updated more often, MARRS or Oscillators?

MARRS ships an update every 14 months, and Oscillators every 4 months. Most recently, MARRS was updated on September 25, 2026 and Oscillators on October 4, 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.*