# Piano Visualizer vs Harmonic Explorer

The clearest difference is price: Harmonic Explorer at $0.99 against Piano Visualizer's $9.99. Harmonic Explorer also leads on iOS requirement (15.6 vs 26.0). Piano Visualizer's advantage is update cadence (every 3 months vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

Piano Visualizer costs $9.99 and Harmonic Explorer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Piano Visualizer ships an update every 3 months, Harmonic Explorer every 7 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Piano Visualizer | Harmonic Explorer |
| --- | --- | --- |
| Price | $9.99 | **$0.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/piano-visualizer/id6739029911/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 247 MB | 2 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weida Fan](https://appshunter.io/developer/1622755748) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### Piano Visualizer

[App page](https://appshunter.io/ios/app/piano-visualizer/id6739029911)

Experience piano music like never before with detailed 3D animations of a grand piano's inner workings. Watch any music or MIDI file come to life with real-time, mechanically accurate visuals, including augmented reality and tactile feedback options.

**Highlights:** Mechanically accurate 3D grand piano model, Versatile audio and MIDI input, Live, real-time animation, Transparent view mode, Augmented Reality mode, Tactile feedback (iOS)

**In-app purchases:** none


### Harmonic Explorer

[App page](https://appshunter.io/ios/app/harmonic-explorer/id6747025974)

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

**In-app purchases:** none


## Frequently asked questions

### Is Piano Visualizer free?

Piano Visualizer costs $9.99, with no in-app purchases.

### Is Harmonic Explorer free?

Harmonic Explorer costs $0.99, with no in-app purchases.

### Do Piano Visualizer or Harmonic Explorer have ads?

Neither Piano Visualizer nor Harmonic Explorer shows ads.

### Which is updated more often, Piano Visualizer or Harmonic Explorer?

Piano Visualizer ships an update every 3 months, and Harmonic Explorer every 7 months. Most recently, Piano Visualizer was updated on September 25, 2026 and Harmonic Explorer on September 21, 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.*