# Omni Sub vs Umbra Browser

The clearest difference is price: Umbra Browser at Free against Omni Sub's $34.99. Omni Sub's advantage is rating (3.7 vs 1.0) and in-app purchases (none vs 3). On review sentiment and ads there is nothing between them.

Umbra Browser is free to download; Omni Sub costs $34.99 up front. Umbra Browser sells 3 in-app purchases, starting at $3.99 per month. Omni Sub asks for nothing beyond the download.

Omni Sub holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Omni Sub ships an update every 4 weeks, Umbra Browser every 2 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Omni Sub | Umbra Browser |
| --- | --- | --- |
| Price | $34.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/omni-sub/id1524175030/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/umbra-browser/id6761460876/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 13 MB | 3 MB |
| Requires iOS | **13.0.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [sebastian rivas](https://appshunter.io/developer/506708461) | [Kevin Stewart](https://appshunter.io/developer/1840294398) |

## 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


### Umbra Browser

[App page](https://appshunter.io/ios/app/umbra-browser/id6761460876)

A privacy-focused browser that isolates each tab into a secure vault, blocking ads and trackers. It offers encrypted bookmarks, anti-fingerprinting, and optional integration with a password manager. All features are available for free.

**Highlights:** Tab isolation with per-tab data destruction, Built-in ad and tracker blocking, Anti-fingerprinting technologies, Encrypted bookmarks and DNS-over-HTTPS, Optional password manager integration, Reader mode for distraction-free browsing, Userscript support for custom functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eclipse Monthly | $3.99 | per month |
| Eclipse Yearly | $29.99 | per year |
| Eclipse Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Omni Sub free?

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

### Is Umbra Browser free?

Umbra Browser is free to download, with in-app purchases available.

### Which has better reviews, Omni Sub or Umbra Browser?

Omni Sub is rated higher. Omni Sub averages 3.7 out of 5 from 3 ratings, while Umbra Browser averages 1.0 from 1 ratings.

### Do Omni Sub or Umbra Browser have ads?

Neither Omni Sub nor Umbra Browser shows ads.

### Which is updated more often, Omni Sub or Umbra Browser?

Omni Sub ships an update every 4 weeks, and Umbra Browser every 2 months. Most recently, Omni Sub was updated on October 21, 2026 and Umbra Browser on October 18, 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.*