# FrequenSee vs Brown Noise Offline

The clearest difference is in-app purchases: FrequenSee at none against Brown Noise Offline's 1. Brown Noise Offline's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Brown Noise Offline sells 1 one-off in-app purchase. FrequenSee asks for nothing beyond the download.

FrequenSee ships an update every 6 weeks, Brown Noise Offline every 2 months. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | FrequenSee | Brown Noise Offline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 144 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Marco Benz](https://appshunter.io/developer/1896695080) | [晓靖 宾](https://appshunter.io/developer/652844023) |

## What reviewers say

### FrequenSee

[App page](https://appshunter.io/ios/app/frequensee/id6769865394)

**In-app purchases:** none


### Brown Noise Offline

[App page](https://appshunter.io/ios/app/brown-noise-offline-noisepad/id6776330817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $3.99 | one-time |


## Frequently asked questions

### Is FrequenSee free?

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

### Is Brown Noise Offline free?

Brown Noise Offline is free to download, with in-app purchases available.

### Do FrequenSee or Brown Noise Offline have ads?

Neither FrequenSee nor Brown Noise Offline shows ads.

### Which is updated more often, FrequenSee or Brown Noise Offline?

FrequenSee ships an update every 6 weeks, and Brown Noise Offline every 2 months. Most recently, FrequenSee was updated on October 12, 2026 and Brown Noise Offline on October 22, 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.*