# Multiple Tone Generator vs 波動 Hysteric Oscillator

The clearest difference is review sentiment: Multiple Tone Generator at 88% against 波動 Hysteric Oscillator's 0%. Multiple Tone Generator also leads on rating (4.8 vs 4.0) and ratings volume (65 vs 7). 波動 Hysteric Oscillator's advantage is update cadence (fortnightly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Multiple Tone Generator sells 2 one-off in-app purchases and 波動 Hysteric Oscillator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Multiple Tone Generator holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Multiple Tone Generator has 65 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 88% of Multiple Tone Generator's written reviews are positive against 0% of 波動 Hysteric Oscillator's.

Multiple Tone Generator ships an update every 3 months, 波動 Hysteric Oscillator fortnightly. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Multiple Tone Generator | 波動 Hysteric Oscillator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (65 ratings)](https://appshunter.io/ios/app/multiple-tone-generator/id954158579/reviews)** | [4.0 (7 ratings)](https://appshunter.io/ios/app/hysteric-oscillator/id1473229854/reviews) |
| Number of ratings | **65** | 7 |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 9 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Toshihiko Arai](https://appshunter.io/developer/415194231) |

## 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 |


### 波動 Hysteric Oscillator

[App page](https://appshunter.io/ios/app/hysteric-oscillator/id1473229854)

Generate test tones and observe real-time waveform changes. Explore frequency, volume, filters, and modulation effects for audio experiments and learning synthesizer basics.

**Highlights:** Generate test tones and drone sounds, Real-time waveform display, Control frequency, volume, and panning, Low-pass filter, AM/FM modulation effects, Two-channel mode (Full Version), Save and recall settings (Full Version)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $6.99 | one-time |


## Frequently asked questions

### Is Multiple Tone Generator free?

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

### Is 波動 Hysteric Oscillator free?

波動 Hysteric Oscillator is free to download, with in-app purchases available.

### Which has better reviews, Multiple Tone Generator or 波動 Hysteric Oscillator?

Multiple Tone Generator is rated higher. Multiple Tone Generator averages 4.8 out of 5 from 65 ratings, while 波動 Hysteric Oscillator averages 4.0 from 7 ratings.

### Do Multiple Tone Generator or 波動 Hysteric Oscillator have ads?

Both Multiple Tone Generator and 波動 Hysteric Oscillator show ads.

### Which is updated more often, Multiple Tone Generator or 波動 Hysteric Oscillator?

Multiple Tone Generator ships an update every 3 months, and 波動 Hysteric Oscillator fortnightly. Most recently, Multiple Tone Generator was updated on September 23, 2026 and 波動 Hysteric Oscillator on September 14, 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.*