# STETSOM DSPLAYER AMPLIFIER vs Frequency Generator (Sound)

The clearest difference is in-app purchases: STETSOM DSPLAYER AMPLIFIER at none against Frequency Generator (Sound)'s 1. STETSOM DSPLAYER AMPLIFIER also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). Frequency Generator (Sound)'s advantage is review sentiment (50% vs 24%). On price, device support and iOS requirement 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. STETSOM DSPLAYER AMPLIFIER asks for nothing beyond the download.

STETSOM DSPLAYER AMPLIFIER ships an update every 3 weeks, Frequency Generator (Sound) every 3 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | STETSOM DSPLAYER AMPLIFIER | Frequency Generator (Sound) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 24.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 28 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STETSOM ELETRÔNICA LTDA](https://appshunter.io/developer/1110480569) | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) |

## What reviewers say

### STETSOM DSPLAYER AMPLIFIER

[App page](https://appshunter.io/ios/app/stetsom-dsplayer-amplifier/id6499367116)

This application provides comprehensive control over professional audio adjustments for car and speaker installations. It supports various input methods including RCA, optical, USB, and Bluetooth, along with FM radio functionality. Fine-tune audio settings like equalization, phase, and delay for optimal sound.

**Highlights:** RCA and WIRE audio input, High-fidelity optical audio input, USB and Bluetooth music playback, FM radio with favorites, Digital audio output, Equalization, Level, Phase, Delay adjustments, Quick setup modes for car/speaker

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is STETSOM DSPLAYER AMPLIFIER free?

STETSOM DSPLAYER AMPLIFIER is free to download, with no in-app purchases.

### Is Frequency Generator (Sound) free?

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

### Do STETSOM DSPLAYER AMPLIFIER or Frequency Generator (Sound) have ads?

Frequency Generator (Sound) shows ads; STETSOM DSPLAYER AMPLIFIER does not.

### Which is updated more often, STETSOM DSPLAYER AMPLIFIER or Frequency Generator (Sound)?

STETSOM DSPLAYER AMPLIFIER ships an update every 3 weeks, and Frequency Generator (Sound) every 3 months. Most recently, STETSOM DSPLAYER AMPLIFIER was updated on September 24, 2026 and Frequency Generator (Sound) on September 16, 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.*