# Frequency Conversion vs High Pitch Noise

The clearest difference is price: High Pitch Noise at Free against Frequency Conversion's $2.99. High Pitch Noise also leads on update cadence (monthly vs every 22 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

High Pitch Noise is free to download; Frequency Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Frequency Conversion ships an update every 22 months, High Pitch Noise monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Frequency Conversion | High Pitch Noise |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/high-pitch-noise/id6759723397/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | — | Free |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Nordvane llc](https://appshunter.io/developer/1705562839) |

## What reviewers say

### Frequency Conversion

[App page](https://appshunter.io/ios/app/frequency-conversion/id6444392460)

**Features:** macOS Compatibility

**In-app purchases:** none


### High Pitch Noise

[App page](https://appshunter.io/ios/app/high-pitch-noise/id6759723397)

Generate precise audio frequencies for various purposes, including testing speaker clarity, aiding relaxation with binaural beats, and even helping to remove water from your phone's speaker. Offers a simple, distraction-free interface for instant adjustments and smooth playback.

**Highlights:** Water removal from speaker, Binaural beats generator, Precise Hz frequency control, Sine wave and test tone generation, 432 Hz calming tone option, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Conversion free?

Frequency Conversion costs $2.99, with no in-app purchases.

### Is High Pitch Noise free?

High Pitch Noise is free to download, with no in-app purchases.

### Do Frequency Conversion or High Pitch Noise have ads?

Neither Frequency Conversion nor High Pitch Noise shows ads.

### Which is updated more often, Frequency Conversion or High Pitch Noise?

Frequency Conversion ships an update every 22 months, and High Pitch Noise monthly. Most recently, Frequency Conversion was updated on October 15, 2026 and High Pitch Noise on October 7, 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.*