# Frequency Sound Wave Generator vs Trawall

The clearest difference is in-app purchases: Trawall at none against Frequency Sound Wave Generator's 3. Trawall also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Frequency Sound Wave Generator sells 3 in-app purchases, starting at $1.99 per month. Trawall asks for nothing beyond the download.

## The numbers

| Metric | Frequency Sound Wave Generator | Trawall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (99 ratings)](https://appshunter.io/ios/app/frequency-sound-wave-generator/id6478711398/reviews)** | — |
| Number of ratings | **99** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [David Krejci](https://appshunter.io/developer/1737377675) | [Rafael Furlan](https://appshunter.io/developer/1785411171) |

## What reviewers say

### Frequency Sound Wave Generator

[App page](https://appshunter.io/ios/app/frequency-sound-wave-generator/id6478711398)

Generate and analyze sound waves with a comprehensive suite of tools. Create single or multiple tones, test speakers, tune instruments, and explore various sound effects. Play sounds in the background and export them as audio files.

**Highlights:** Single and multiple frequency generation, Musical note presets, Binaural beats and SFX generator, Sweep and noise generator, Bass/Subwoofer sound test, Metronome, Background sound playback

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO subscription | $1.99 | per month |
| Yearly Pro Membership | $9.99 | per year |
| Lifetime PRO membership | $19.99 | one-time |


### Trawall

[App page](https://appshunter.io/ios/app/trawall/id6746577390)

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Sound Wave Generator free?

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

### Is Trawall free?

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

### Do Frequency Sound Wave Generator or Trawall have ads?

Frequency Sound Wave Generator shows ads; Trawall 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.*