# Harmonic Explorer vs Drumline

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

Drumline 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 | Drumline |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 2 MB | 41 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Omer Bengal](https://appshunter.io/developer/1515814233) |

## 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


### Drumline

[App page](https://appshunter.io/ios/app/drumline-batucada/id6807770152)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonic Explorer free?

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

### Is Drumline free?

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

### Do Harmonic Explorer or Drumline have ads?

Neither Harmonic Explorer nor Drumline 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.*