# Omni Sub vs Tracebook

The clearest difference is price: Tracebook at Free against Omni Sub's $34.99. Omni Sub's advantage is iOS requirement (13.0.0 vs 16.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Tracebook is free to download; Omni Sub costs $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Omni Sub ships an update every 4 weeks, Tracebook every 3 weeks. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Omni Sub | Tracebook |
| --- | --- | --- |
| Price | $34.99 | **Free** |
| 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 | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **13.0.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sebastian rivas](https://appshunter.io/developer/506708461) | [Marcus Painter](https://appshunter.io/developer/998530071) |

## 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


### Tracebook

[App page](https://appshunter.io/ios/app/tracebook-speaker-reference/id6474818065)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Omni Sub free?

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

### Is Tracebook free?

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

### Do Omni Sub or Tracebook have ads?

Neither Omni Sub nor Tracebook shows ads.

### Which is updated more often, Omni Sub or Tracebook?

Omni Sub ships an update every 4 weeks, and Tracebook every 3 weeks. Most recently, Omni Sub was updated on September 17, 2026 and Tracebook on September 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.*