# Omni Sub vs FairSpin

The clearest difference is price: FairSpin at $1.99 against Omni Sub's $34.99. Omni Sub's advantage is iOS requirement (13.0.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Omni Sub costs $34.99 and FairSpin $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Omni Sub | FairSpin |
| --- | --- | --- |
| Price | $34.99 | **$1.99** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/omni-sub/id1524175030/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Paid | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **13.0.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [sebastian rivas](https://appshunter.io/developer/506708461) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### Omni Sub

[App page](https://appshunter.io/ios/app/omni-sub/id1524175030)

This application is an acoustical simulation tool designed for audio engineers. It allows for the simulation of source interactions at low frequencies, including various sub array configurations.

**Highlights:** Low frequency simulation, Source interaction simulation, Cardioid sub array simulation, End-fired sub array simulation, Acoustical analysis

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

**In-app purchases:** none


### FairSpin

[App page](https://appshunter.io/ios/app/fairspin/id6765886973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Omni Sub free?

Omni Sub costs $34.99, with no in-app purchases.

### Is FairSpin free?

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

### Do Omni Sub or FairSpin have ads?

Neither Omni Sub nor FairSpin 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.*