# Harmonic Explorer vs MIDITrainer

The clearest difference is price: MIDITrainer at Free against Harmonic Explorer's $0.99. Harmonic Explorer's advantage is iOS requirement (15.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

MIDITrainer is free to download; Harmonic Explorer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Harmonic Explorer | MIDITrainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 2 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Sam Bender](https://appshunter.io/developer/381126312) |

## What reviewers say

### Harmonic Explorer

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

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

**In-app purchases:** none


### MIDITrainer

[App page](https://appshunter.io/ios/app/miditrainer/id6756984380)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harmonic Explorer free?

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

### Is MIDITrainer free?

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

### Do Harmonic Explorer or MIDITrainer have ads?

Neither Harmonic Explorer nor MIDITrainer 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.*