# Frequency Generator (Sound) vs EffectDeck

The clearest difference is review sentiment: EffectDeck at 96% against Frequency Generator (Sound)'s 50%. EffectDeck also leads on rating (4.8 vs 3.0) and in-app purchases (none vs 1). Frequency Generator (Sound)'s advantage is iOS requirement (13.0 vs 27.0). On price, ratings volume and device support there is nothing between them.

Both are free to download. Frequency Generator (Sound) sells 1 in-app purchase, starting at $0.99 per 7 days. EffectDeck asks for nothing beyond the download.

EffectDeck holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 6 and 12 respectively. Written reviews point the same way: 50% of Frequency Generator (Sound)'s written reviews are positive against 96% of EffectDeck's.

Frequency Generator (Sound) ships an update every 3 months, EffectDeck every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frequency Generator (Sound) | EffectDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/effectdeck/id6812467517/reviews)** |
| Number of ratings | 6 | **12** |
| Positive reviews | 50.0% of reviews | **95.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 16 MB |
| Requires iOS | **13.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) | [Masahiro Sato](https://appshunter.io/developer/1818044954) |

## What reviewers say

### Frequency Generator (Sound)

[App page](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315)

Generate various sound waves, from sine to triangle, with adjustable frequencies and volumes. Test speakers, tune instruments, or create multi-oscillator soundscapes. Customize your audio experience with a range of settings and themes.

**Highlights:** Generate sine, square, sawtooth, or triangle sound waves, Adjust frequency from 1Hz to 22000Hz, Control volume and balance (left/right), Multi-oscillator mode for three simultaneous sounds, Customizable frequency range slider, Low latency audio setting, Theme customization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $0.99 | per 7 days |


### EffectDeck

[App page](https://appshunter.io/ios/app/effectdeck/id6812467517)

Process audio from any app with a customizable chain of effects. Add built-in, AUv3, or custom JSFX plugins. Share your audio chains and scripts easily.

**Highlights:** 100+ built-in audio effects, JSFX script support, AUv3 plugin integration, Custom impulse responses, Audio analysis tools, Preset management, Chain and script sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Generator (Sound) free?

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

### Is EffectDeck free?

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

### Which has better reviews, Frequency Generator (Sound) or EffectDeck?

EffectDeck is rated higher. Frequency Generator (Sound) averages 3.0 out of 5 from 6 ratings, while EffectDeck averages 4.8 from 12 ratings.

### Do Frequency Generator (Sound) or EffectDeck have ads?

Frequency Generator (Sound) shows ads; EffectDeck does not.

### Which is updated more often, Frequency Generator (Sound) or EffectDeck?

Frequency Generator (Sound) ships an update every 3 months, and EffectDeck every 3 days. Most recently, Frequency Generator (Sound) was updated on November 4, 2026 and EffectDeck on October 31, 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.*