# Frequency Sound Wave Generator vs Dammay

The clearest difference is in-app purchases: Dammay at none against Frequency Sound Wave Generator's 3. Dammay also leads on ads (none vs shown) and update cadence (every 10 days vs monthly). On price, device support and iOS requirement 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. Dammay asks for nothing beyond the download.

Frequency Sound Wave Generator ships an update monthly, Dammay every 10 days. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Frequency Sound Wave Generator | Dammay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (94 ratings)](https://appshunter.io/ios/app/frequency-sound-wave-generator/id6478711398/reviews)** | — |
| Number of ratings | **94** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [David Krejci](https://appshunter.io/developer/1737377675) | [Quan The Pham](https://appshunter.io/developer/1808601696) |

## What reviewers say

### 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 |


### Dammay

[App page](https://appshunter.io/ios/app/dammay/id6744632332)

**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 Dammay free?

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

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

Frequency Sound Wave Generator shows ads; Dammay does not.

### Which is updated more often, Frequency Sound Wave Generator or Dammay?

Frequency Sound Wave Generator ships an update monthly, and Dammay every 10 days. Most recently, Frequency Sound Wave Generator was updated on October 30, 2026 and Dammay on October 13, 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.*