# Piano Visualizer vs Kritus

The clearest difference is price: Kritus at Free against Piano Visualizer's $9.99. Kritus also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (17.0 vs 26.0). Piano Visualizer's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On ads there is nothing between them.

Kritus is free to download; Piano Visualizer costs $9.99 up front. Kritus sells 2 in-app purchases, starting at $8.99 per month. Piano Visualizer asks for nothing beyond the download.

Piano Visualizer ships an update every 3 months, Kritus fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Piano Visualizer | Kritus |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/piano-visualizer/id6739029911/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 247 MB | 132 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Weida Fan](https://appshunter.io/developer/1622755748) | [Mi Lin](https://appshunter.io/developer/6793242806) |

## 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


### Kritus

[App page](https://appshunter.io/ios/app/kritus/id6812365185)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kritus Serious User (Monthly) | $8.99 | per month |
| Kritus Serious User (Annual) | $49.99 | per year |


## Frequently asked questions

### Is Piano Visualizer free?

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

### Is Kritus free?

Kritus is free to download, with in-app purchases available.

### Do Piano Visualizer or Kritus have ads?

Neither Piano Visualizer nor Kritus shows ads.

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

Piano Visualizer ships an update every 3 months, and Kritus fortnightly. Most recently, Piano Visualizer was updated on October 20, 2026 and Kritus on October 24, 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.*