# Sound Generator Frequency Hz vs YPA Control

The clearest difference is in-app purchases: YPA Control at none against Sound Generator Frequency Hz's 2. YPA Control also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Sound Generator Frequency Hz sells 2 in-app purchases, starting at $1.99 per 7 days. YPA Control asks for nothing beyond the download.

## The numbers

| Metric | Sound Generator Frequency Hz | YPA Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sound-generator-frequency-hz/id6778666098/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Donda Arvindbhai](https://appshunter.io/developer/6802325195) | [YPA MICROPHONES INC](https://appshunter.io/developer/1846286914) |

## What reviewers say

### Sound Generator Frequency Hz

[App page](https://appshunter.io/ios/app/sound-generator-frequency-hz/id6778666098)

Generate precise audio tones and sound waves across a wide frequency range. Ideal for testing speakers, tuning instruments, exploring hearing, and audio experimentation. Offers multiple waveform types and advanced controls for professional and educational use.

**Highlights:** Generate frequencies from 1Hz to 22,000Hz, Multiple waveform types (sine, square, triangle, sawtooth), Speaker and headphone testing, Musical instrument tuning, Hearing range exploration, Save and reuse frequency presets, Background playback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Lifetime Premium | $19.99 | one-time |


### YPA Control

[App page](https://appshunter.io/ios/app/ypa-control/id6805096521)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sound Generator Frequency Hz free?

Sound Generator Frequency Hz is free to download, with in-app purchases available.

### Is YPA Control free?

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

### Do Sound Generator Frequency Hz or YPA Control have ads?

Sound Generator Frequency Hz shows ads; YPA Control does not.

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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.*