# Signals Generator vs White Shield

The clearest difference is rating: Signals Generator at 4.7 against White Shield's 3.2. Signals Generator also leads on ratings volume (30 vs 5) and device support (4 vs 2). White Shield's advantage is in-app purchases (none vs 14). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Signals Generator sells 14 one-off in-app purchases. White Shield asks for nothing beyond the download.

Signals Generator holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Signals Generator has 30 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | Signals Generator | White Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (30 ratings)](https://appshunter.io/ios/app/signals-generator/id1526653387/reviews)** | [3.2 (5 ratings)](https://appshunter.io/ios/app/white-shield/id1672027544/reviews) |
| Number of ratings | **30** | 5 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [怀卫 张](https://appshunter.io/developer/1252544375) | [Velter KZ](https://appshunter.io/developer/1781938634) |

## What reviewers say

### Signals Generator

[App page](https://appshunter.io/ios/app/signals-generator/id1526653387)

Transform your mobile device into a dual-channel signal generator for sound and audio electric signals. Offers a wide variety of waveform types and customizable parameters like amplitude, frequency, and phase. Ideal for professionals and hobbyists for signal generation and circuit measurement.

**Highlights:** Dual-channel signal generation, Multiple waveform types, Adjustable amplitude, frequency, and phase, Independent channel control, Zoomable waveform display, Interface color selection

**Features:** Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sine Wave | $0.99 | one-time |
| Square Wave | $0.99 | one-time |
| Gaussian Noise | $0.99 | one-time |
| Uniformly distributed noise | $0.99 | one-time |
| Pink Noise | $0.99 | one-time |
| Red (brown) noise | $0.99 | one-time |
| Maximum Length Sequence | $0.99 | one-time |
| Rayleigh Noise | $0.99 | one-time |
| Sawtooth Wave | $0.99 | one-time |
| Gamma Noise | $0.99 | one-time |
| Functional Wave | $2.99 | one-time |
| Sweep Signal | $2.99 | one-time |
| All Noise Signals | $3.99 | one-time |
| All type of signals | $7.99 | one-time |


### White Shield

[App page](https://appshunter.io/ios/app/white-shield/id1672027544)

Estimate noise levels and generate audio interference to prevent unauthorized recording of conversations. Features a "Faraday cage" mode for use with shielding devices. This tool helps minimize the possibility of extracting speech signals from recordings.

**Highlights:** Estimate noise level, Calculate microphone suppression, Generate audio interference, Faraday cage mode, Unified decibel meter and white noise generator, Counters unauthorized recording

**In-app purchases:** none


## Frequently asked questions

### Is Signals Generator free?

Signals Generator is free to download, with in-app purchases available.

### Is White Shield free?

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

### Which has better reviews, Signals Generator or White Shield?

Signals Generator is rated higher. Signals Generator averages 4.7 out of 5 from 30 ratings, while White Shield averages 3.2 from 5 ratings.

### Do Signals Generator or White Shield have ads?

Neither Signals Generator nor White Shield shows ads.

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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.*