# Chess Audio vs Frequency Sound Wave Generator

The clearest difference is in-app purchases: Chess Audio at none against Frequency Sound Wave Generator's 3. Chess Audio also leads on ads (none vs shown) and iOS requirement (12.4 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. Chess Audio asks for nothing beyond the download.

## The numbers

| Metric | Chess Audio | Frequency Sound Wave Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (82 ratings)](https://appshunter.io/ios/app/frequency-sound-wave-generator/id6478711398/reviews)** |
| Number of ratings | — | **82** |
| Positive reviews | — | 90.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 157 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expert Electronics Comercio e Fabricacao de Produtos Eletronicos Ltda](https://appshunter.io/developer/1103488615) | [David Krejci](https://appshunter.io/developer/1737377675) |

## What reviewers say

### Chess Audio

[App page](https://appshunter.io/ios/app/chess-audio/id1479486288)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency Sound Wave Generator

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

Generate and analyze a wide range of sounds and frequencies. Explore tone generation, sound tests, musical tuning, and create custom sound effects. Visualize sound waves and experiment with different waveforms.

**Highlights:** Single and multiple frequency generation, Musical notes presets, Binaural beats, SFX sound generator, Sweep generator, Bass/Subwoofer sound test, DTMF tones

**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 |


## Frequently asked questions

### Is Chess Audio free?

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

### Is Frequency Sound Wave Generator free?

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

### Do Chess Audio or Frequency Sound Wave Generator have ads?

Frequency Sound Wave Generator shows ads; Chess Audio 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.*