# ARPJAM vs PianoKeys Learn

The clearest difference is in-app purchases: PianoKeys Learn at none against ARPJAM's 1. ARPJAM's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ARPJAM sells 1 one-off in-app purchase. PianoKeys Learn asks for nothing beyond the download.

## The numbers

| Metric | ARPJAM | PianoKeys Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arpjam/id6762045552/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 7 MB | 0 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) | [应龙 张](https://appshunter.io/developer/1514562080) |

## What reviewers say

### ARPJAM

[App page](https://appshunter.io/ios/app/arpjam/id6762045552)

This app generates evolving ambient music using two independent arpeggio engines. It features a generative drum machine, sound design tools, and external instrument synchronization. Save and recall your favorite musical setups.

**Highlights:** Dual arpeggio engines, Generative drum machine, Sound design controls, External instrument sync (Ableton Link, MIDI Clock), Save and recall presets, Built-in timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### PianoKeys Learn

[App page](https://appshunter.io/ios/app/pianokeys-learn/id6769267539)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARPJAM free?

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

### Is PianoKeys Learn free?

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

### Do ARPJAM or PianoKeys Learn have ads?

Neither ARPJAM nor PianoKeys Learn shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*