# iCSP vs Frequency Sound Wave Generator

The clearest difference is price: Frequency Sound Wave Generator at Free against iCSP's $0.99. Frequency Sound Wave Generator also leads on update cadence (monthly vs every 2 months). iCSP's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Frequency Sound Wave Generator is free to download; iCSP costs $0.99 up front. Frequency Sound Wave Generator sells 3 in-app purchases, starting at $1.99 per month. iCSP asks for nothing beyond the download.

iCSP ships an update every 2 months, Frequency Sound Wave Generator monthly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iCSP | Frequency Sound Wave Generator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (91 ratings)](https://appshunter.io/ios/app/frequency-sound-wave-generator/id6478711398/reviews)** |
| Number of ratings | — | **91** |
| Positive reviews | — | 90.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 169 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OmniAccess S.L.](https://appshunter.io/developer/507983509) | [David Krejci](https://appshunter.io/developer/1737377675) |

## What reviewers say

### iCSP

[App page](https://appshunter.io/ios/app/icsp/id507983506)

**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 iCSP free?

iCSP costs $0.99, 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 iCSP or Frequency Sound Wave Generator have ads?

Frequency Sound Wave Generator shows ads; iCSP does not.

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

iCSP ships an update every 2 months, and Frequency Sound Wave Generator monthly. Most recently, iCSP was updated on October 7, 2026 and Frequency Sound Wave Generator on October 25, 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.*