# sine wave generator vs Signals Generator

The clearest difference is review sentiment: Signals Generator at 67% against sine wave generator's 14%. Signals Generator also leads on rating (4.7 vs 3.9) and ads (none vs shown). sine wave generator's advantage is in-app purchases (none vs 14) and update cadence (every 10 days vs every 33 months). On price, ratings volume and device support there is nothing between them.

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

Signals Generator holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 43 and 30 respectively. Written reviews point the same way: 14% of sine wave generator's written reviews are positive against 67% of Signals Generator's.

sine wave generator ships an update every 10 days, Signals Generator every 33 months. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | sine wave generator | Signals Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (43 ratings)](https://appshunter.io/ios/app/sine-wave-generator/id1118935547/reviews) | **[4.7 (30 ratings)](https://appshunter.io/ios/app/signals-generator/id1526653387/reviews)** |
| Number of ratings | **43** | 30 |
| Positive reviews | 14.3% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 33 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 24 MB | 15 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Yanase](https://appshunter.io/developer/630324479) | [怀卫 张](https://appshunter.io/developer/1252544375) |

## What reviewers say

### sine wave generator

[App page](https://appshunter.io/ios/app/sine-wave-generator/id1118935547)

Generate sine waves using touch input, DTMF tones, or custom frequency and volume settings. This utility app offers multiple modes for creating audio signals.

**Highlights:** Touch-based sine wave generation, DTMF tone signal creation, Custom frequency and volume input, Multi-touch support, Tone signal generation for phones

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is sine wave generator free?

sine wave generator is free to download, with no in-app purchases.

### Is Signals Generator free?

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

### Which has better reviews, sine wave generator or Signals Generator?

Signals Generator is rated higher. sine wave generator averages 3.9 out of 5 from 43 ratings, while Signals Generator averages 4.7 from 30 ratings.

### Do sine wave generator or Signals Generator have ads?

sine wave generator shows ads; Signals Generator does not.

### Which is updated more often, sine wave generator or Signals Generator?

sine wave generator ships an update every 10 days, and Signals Generator every 33 months. Most recently, sine wave generator was updated on October 21, 2026 and Signals Generator on October 29, 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.*