# Arpie vs Syntheremin

The clearest difference is device support: Arpie at 3 against Syntheremin's 1. Arpie also leads on iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Arpie | Syntheremin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/arpie/id570542456/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 92.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 97 months | — |
| Monetization | Free | — |
| Size | 25 MB | 44 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keijiro Takahashi](https://appshunter.io/developer/448568328) | [XYK LLC](https://appshunter.io/developer/1861941308) |

## What reviewers say

### Arpie

[App page](https://appshunter.io/ios/app/arpie/id570542456)

This app transforms bouncing balls into a musical experience. Place balls of varying heights to create unique melodies and rhythms. It's an intuitive way for anyone to explore music creation.

**Highlights:** Bouncing ball music generation, Adjustable ball height for melody, Create musical sequences, Intuitive music creation, Variety of musical patterns

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

**In-app purchases:** none


### Syntheremin

[App page](https://appshunter.io/ios/app/syntheremin-theremin-synth/id6797868601)

**In-app purchases:** none


## Frequently asked questions

### Is Arpie free?

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

### Is Syntheremin free?

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

### Do Arpie or Syntheremin have ads?

Neither Arpie nor Syntheremin 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.*