# Oscillator vs Handy Harp II

The clearest difference is price: Oscillator at $0.99 against Handy Harp II's $39.99. Handy Harp II's advantage is update cadence (every 3 days vs every 30 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Oscillator costs $0.99 and Handy Harp II $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oscillator ships an update every 30 months, Handy Harp II every 3 days. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Oscillator | Handy Harp II |
| --- | --- | --- |
| Price | **$0.99** | $39.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/oscillator/id287657331/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 79.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 1 MB | 123 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [PROCYON STUDIO CO., LTD.](https://appshunter.io/developer/324658535) |

## What reviewers say

### Oscillator

[App page](https://appshunter.io/ios/app/oscillator/id287657331)

Generate simple audio tones with four distinct waveforms including sine, square, saw, and white noise. Control frequency, panning, and amplitude with intuitive sliders and numeric input. Ideal for testing audio or creating experimental music.

**Highlights:** Four waveforms (sine, square, saw, white noise), Exponential frequency control, Numeric frequency input, Panning control, Amplitude control, Multi-touch controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Handy Harp II

[App page](https://appshunter.io/ios/app/handy-harp-ii/id6755714173)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oscillator free?

Oscillator costs $0.99, with no in-app purchases.

### Is Handy Harp II free?

Handy Harp II costs $39.99, with no in-app purchases.

### Do Oscillator or Handy Harp II have ads?

Neither Oscillator nor Handy Harp II shows ads.

### Which is updated more often, Oscillator or Handy Harp II?

Oscillator ships an update every 30 months, and Handy Harp II every 3 days. Most recently, Oscillator was updated on October 31, 2026 and Handy Harp II on October 30, 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.*