# Multiple Tone Generator vs Chladni Screen

The clearest difference is price: Multiple Tone Generator at Free against Chladni Screen's $1.99. Multiple Tone Generator also leads on review sentiment (88% vs 49%) and rating (4.8 vs 4.6). Chladni Screen's advantage is in-app purchases (none vs 2) and ads (none vs shown). On ratings volume, device support and iOS requirement there is nothing between them.

Multiple Tone Generator is free to download; Chladni Screen costs $1.99 up front. Multiple Tone Generator sells 2 one-off in-app purchases. Chladni Screen asks for nothing beyond the download.

Multiple Tone Generator holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 65 and 81 respectively. Written reviews point the same way: 88% of Multiple Tone Generator's written reviews are positive against 49% of Chladni Screen's.

Multiple Tone Generator ships an update every 3 months, Chladni Screen every 8 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Multiple Tone Generator | Chladni Screen |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (65 ratings)](https://appshunter.io/ios/app/multiple-tone-generator/id954158579/reviews)** | [4.6 (81 ratings)](https://appshunter.io/ios/app/chladni-screen/id1385177377/reviews) |
| Number of ratings | 65 | **81** |
| Positive reviews | **87.5% of reviews** | 48.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 1 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Narumi Inada](https://appshunter.io/developer/1347729163) |

## What reviewers say

### Multiple Tone Generator

[App page](https://appshunter.io/ios/app/multiple-tone-generator/id954158579)

Generate multiple audio signals with adjustable waveforms, frequencies, and volumes for each channel. Offers presets for guitar and bass tuning, with options to expand channel support.

**Highlights:** Multiple audio channels, Adjustable waveforms (Sine, Triangle, Squire, Saw), Precise frequency control (20Hz - 20000Hz), Individual channel volume and mute, Logarithmic frequency sliders, Guitar and bass tuning presets

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Increase channels from 6 to 16 | $1.99 | one-time |
| Always remove banner ads. | $4.99 | one-time |


### Chladni Screen

[App page](https://appshunter.io/ios/app/chladni-screen/id1385177377)

Explore the mesmerizing patterns created by sound vibrations on a digital surface. This app simulates Chladni figures, visualizing how different sounds, including your voice and instruments, create intricate geometric shapes.

**Highlights:** Simulates Chladni figures digitally, Visualizes sound vibrations, Uses voice and instruments as sound sources, Displays geometric patterns, Offers multiple display modes

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

**In-app purchases:** none


## Frequently asked questions

### Is Multiple Tone Generator free?

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

### Is Chladni Screen free?

Chladni Screen costs $1.99, with no in-app purchases.

### Which has better reviews, Multiple Tone Generator or Chladni Screen?

Multiple Tone Generator is rated higher. Multiple Tone Generator averages 4.8 out of 5 from 65 ratings, while Chladni Screen averages 4.6 from 81 ratings.

### Do Multiple Tone Generator or Chladni Screen have ads?

Multiple Tone Generator shows ads; Chladni Screen does not.

### Which is updated more often, Multiple Tone Generator or Chladni Screen?

Multiple Tone Generator ships an update every 3 months, and Chladni Screen every 8 months. Most recently, Multiple Tone Generator was updated on September 23, 2026 and Chladni Screen on September 18, 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.*