# Signals Generator vs Kourous

The clearest difference is in-app purchases: Kourous at none against Signals Generator's 10. Kourous also leads on update cadence (every 2 months vs every 33 months). Signals Generator's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Signals Generator sells 10 one-off in-app purchases. Kourous asks for nothing beyond the download.

Signals Generator ships an update every 33 months, Kourous every 2 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Signals Generator | Kourous |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (30 ratings)](https://appshunter.io/ios/app/signals-generator/id1526653387/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 26 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [怀卫 张](https://appshunter.io/developer/1252544375) | [Seydina Mouhamadou Al Hamine NDIAYE](https://appshunter.io/developer/1882244767) |

## 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sine Wave | $0.99 | one-time |
| Square Wave | $0.99 | one-time |
| Gaussian Noise | $0.99 | one-time |
| Pink Noise | $0.99 | one-time |
| Maximum Length Sequence | $0.99 | one-time |
| Sawtooth Wave | $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 |


### Kourous

[App page](https://appshunter.io/ios/app/kourous/id6764419894)

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

**In-app purchases:** none


## Frequently asked questions

### Is Signals Generator free?

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

### Is Kourous free?

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

### Do Signals Generator or Kourous have ads?

Neither Signals Generator nor Kourous shows ads.

### Which is updated more often, Signals Generator or Kourous?

Signals Generator ships an update every 33 months, and Kourous every 2 months. Most recently, Signals Generator was updated on November 3, 2026 and Kourous on November 9, 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.*