# Frequency Sound Wave Generator vs DSP MASTER

The clearest difference is in-app purchases: DSP MASTER at none against Frequency Sound Wave Generator's 3. DSP MASTER also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). Frequency Sound Wave Generator's advantage is update cadence (every 4 weeks vs every 4 months). 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. DSP MASTER asks for nothing beyond the download.

Frequency Sound Wave Generator ships an update every 4 weeks, DSP MASTER every 4 months. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Frequency Sound Wave Generator | DSP MASTER |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 6 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Krejci](https://appshunter.io/developer/1737377675) | [Audio Design](https://appshunter.io/developer/1579008816) |

## 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 |


### DSP MASTER

[App page](https://appshunter.io/ios/app/dsp-master/id6502436875)

**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 DSP MASTER free?

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

### Do Frequency Sound Wave Generator or DSP MASTER have ads?

Frequency Sound Wave Generator shows ads; DSP MASTER does not.

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

Frequency Sound Wave Generator ships an update every 4 weeks, and DSP MASTER every 4 months. Most recently, Frequency Sound Wave Generator was updated on September 24, 2026 and DSP MASTER on September 17, 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.*