# ScalePlay vs Piano Visualizer

The clearest difference is rating: ScalePlay at 4.9 against Piano Visualizer's 1.0. ScalePlay also leads on ratings volume (10 vs 1). Piano Visualizer's advantage is device support (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ScalePlay holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: ScalePlay has 10 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ScalePlay | Piano Visualizer |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/scaleplay/id1140530163/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/piano-visualizer/id6739029911/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 247 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [RoGame Software](https://appshunter.io/developer/285831223) | [Weida Fan](https://appshunter.io/developer/1622755748) |

## What reviewers say

### ScalePlay

[App page](https://appshunter.io/ios/app/scaleplay/id1140530163)

This app generates intricate musical patterns and sequences using complex scale theory. It's a powerful tool for both music production and education, offering scale references, virtual instruments, and interactive playback features.

**Highlights:** Generates intricate ostinatos and sequences, Applies complex scale patterns, User-defined songforms and chord changes, Scale references for hundreds of scales, Nine virtual instruments and 128 sounds, Visualizes scale relations, Interactive playback with generated patterns

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ScalePlay free?

ScalePlay costs $9.99, with no in-app purchases.

### Is Piano Visualizer free?

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

### Which has better reviews, ScalePlay or Piano Visualizer?

ScalePlay is rated higher. ScalePlay averages 4.9 out of 5 from 10 ratings, while Piano Visualizer averages 1.0 from 1 ratings.

### Do ScalePlay or Piano Visualizer have ads?

Neither ScalePlay nor Piano Visualizer shows ads.

### Which is updated more often, ScalePlay or Piano Visualizer?

ScalePlay ships an update every 3 months, and Piano Visualizer every 3 months. Most recently, ScalePlay was updated on September 24, 2026 and Piano Visualizer on September 9, 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.*