# Harmonitron vs GSi Piano Studio

The clearest difference is price: Harmonitron at $2.99 against GSi Piano Studio's $19.99. On rating, ratings volume, ads and in-app purchases there is nothing between them.

Harmonitron costs $2.99 and GSi Piano Studio $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Harmonitron against 5.0 for GSi Piano Studio. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Harmonitron | GSi Piano Studio |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/harmonitron/id6790326853/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gsi-piano-studio/id6796081575/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Paid | Paid |
| Size | 3 MB | 99 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) | [Genuine Soundware](https://appshunter.io/developer/1560880481) |

## What reviewers say

### Harmonitron

[App page](https://appshunter.io/ios/app/harmonitron/id6790326853)

This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.

**Highlights:** True harmonic tremolo with anti-phase modulation, Voice control for morphing between classic and harmonic tremolo, Split & Tilt for band crossover and balance, Tube Drive and tone shaping, Adjustable Rate and LFO Shapes, Tempo Sync with musical note divisions, Stereo Spread for auto-pan and width

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

**In-app purchases:** none


### GSi Piano Studio

[App page](https://appshunter.io/ios/app/gsi-piano-studio/id6796081575)

This application uses advanced synthesis to recreate the sound of a grand piano. Users can customize various elements of the piano's mechanics to achieve unique sounds. It requires a physical MIDI keyboard for playback and is best suited for modern devices.

**Highlights:** Physical modeling sound generation, Full polyphony, Virtual sympathetic resonance, Customizable velocity curves, Session Recorder, AUv3 plugin support

**In-app purchases:** none


## Frequently asked questions

### Is Harmonitron free?

Harmonitron costs $2.99, with no in-app purchases.

### Is GSi Piano Studio free?

GSi Piano Studio costs $19.99, with no in-app purchases.

### Which has better reviews, Harmonitron or GSi Piano Studio?

Harmonitron and GSi Piano Studio are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Harmonitron or GSi Piano Studio have ads?

Neither Harmonitron nor GSi Piano Studio shows ads.

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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.*