# 波動 Hysteric Oscillator vs BeatMapper

The clearest difference is in-app purchases: BeatMapper at none against 波動 Hysteric Oscillator's 1. 波動 Hysteric Oscillator's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. 波動 Hysteric Oscillator sells 1 one-off in-app purchase. BeatMapper asks for nothing beyond the download.

波動 Hysteric Oscillator ships an update every 11 days, BeatMapper fortnightly. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 波動 Hysteric Oscillator | BeatMapper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/hysteric-oscillator/id1473229854/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 42 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Toshihiko Arai](https://appshunter.io/developer/415194231) | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) |

## What reviewers say

### 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 |


### BeatMapper

[App page](https://appshunter.io/ios/app/beatmapper/id6809046605)

**In-app purchases:** none


## Frequently asked questions

### Is 波動 Hysteric Oscillator free?

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

### Is BeatMapper free?

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

### Do 波動 Hysteric Oscillator or BeatMapper have ads?

BeatMapper shows ads; 波動 Hysteric Oscillator does not.

### Which is updated more often, 波動 Hysteric Oscillator or BeatMapper?

波動 Hysteric Oscillator ships an update every 11 days, and BeatMapper fortnightly. Most recently, 波動 Hysteric Oscillator was updated on October 18, 2026 and BeatMapper on October 8, 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.*