# Harmonizer vs iGrand Piano CS for iPad

The clearest difference is in-app purchases: Harmonizer at none against iGrand Piano CS for iPad's 3. iGrand Piano CS for iPad's advantage is update cadence (every 5 months vs every 33 months) and iOS requirement (13.0 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. iGrand Piano CS for iPad sells 3 one-off in-app purchases. Harmonizer asks for nothing beyond the download.

Harmonizer ships an update every 33 months, iGrand Piano CS for iPad every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Harmonizer | iGrand Piano CS for iPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (16 ratings)](https://appshunter.io/ios/app/harmonizer/id393762975/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | **45.5% of reviews** | 43.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 643 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew McLaughlin](https://appshunter.io/developer/1671041622) | [IK Multimedia US, LLC](https://appshunter.io/developer/323694278) |

## What reviewers say

### Harmonizer

[App page](https://appshunter.io/ios/app/harmonizer/id393762975)

This app helps infants develop perfect pitch by playing Shepard tones, aiding in pitch identity development. It also facilitates the study of chord relationships and displays the pitch of your singing.

**Highlights:** Shepard tone playback, Pitch identity development, Chord relationship study, Vocal pitch display, Infant music education

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

**In-app purchases:** none


### iGrand Piano CS for iPad

[App page](https://appshunter.io/ios/app/igrand-piano-cs-for-ipad/id562914032)

Experience concert-quality grand and upright pianos with ultra-realistic sound and built-in recording. Edit and save custom variations, connect external keyboards, and compose anywhere. Expand your library with additional instrument packs.

**Highlights:** Ultra-realistic grand and upright pianos, High-definition stereo samples, Built-in MIDI recorder with overdubbing, Instrument editor with real-time controls, Audiobus and Inter-App Audio support, Expansion packs for more instruments

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piano Expansion Pack | $14.99 | one-time |
| Piano Expansion Pack 2 | $14.99 | one-time |
| Upgrade to Full Version | $19.99 | one-time |


## Frequently asked questions

### Is Harmonizer free?

Harmonizer is free to download, with no in-app purchases.

### Is iGrand Piano CS for iPad free?

iGrand Piano CS for iPad is free to download, with in-app purchases available.

### Do Harmonizer or iGrand Piano CS for iPad have ads?

Neither Harmonizer nor iGrand Piano CS for iPad shows ads.

### Which is updated more often, Harmonizer or iGrand Piano CS for iPad?

Harmonizer ships an update every 33 months, and iGrand Piano CS for iPad every 5 months. Most recently, Harmonizer was updated on November 1, 2026 and iGrand Piano CS for iPad on November 1, 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.*