# Arpie vs oogieAR

The clearest difference is rating: oogieAR at 5.0 against Arpie's 4.5. oogieAR also leads on update cadence (every 3 months vs every 97 months). Arpie's advantage is in-app purchases (none vs 9) and ratings volume (10 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. oogieAR sells 9 one-off in-app purchases. Arpie asks for nothing beyond the download.

oogieAR holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Arpie has 10 ratings behind it against 1, so its average is the more settled of the two.

Arpie ships an update every 97 months, oogieAR every 3 months. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Arpie | oogieAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (10 ratings)](https://appshunter.io/ios/app/arpie/id570542456/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oogiear/id1587283165/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 92.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 97 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 62 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keijiro Takahashi](https://appshunter.io/developer/448568328) | [Dave Scruton](https://appshunter.io/developer/495032462) |

## 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


### oogieAR

[App page](https://appshunter.io/ios/app/oogiear/id1587283165)

This app is a 3D musical synthesizer laboratory that generates music algorithmically using images and colors. Create complex arpeggios and harmonies by applying colors from your photos, with infinite creative possibilities through various tools.

**Highlights:** 3D musical synthesizer laboratory, Algorithmic music creation, Image and color-based sound generation, Create arpeggios and harmonies, Pro Mode with additional features

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mode | $0.99 | one-time |
| oogieAR Around House | $0.99 | one-time |
| oogieAR Body Sounds | $0.99 | one-time |
| oogieAR Metal Shop | $0.99 | one-time |
| oogieAR SG Pepper | $0.99 | one-time |
| oogieAR Urbanity | $0.99 | one-time |
| oogieAR Sports Shorts | $0.99 | one-time |
| oogieAR Woodworks | $0.99 | one-time |
| oogieAR Water | $0.99 | one-time |


## Frequently asked questions

### Is Arpie free?

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

### Is oogieAR free?

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

### Which has better reviews, Arpie or oogieAR?

oogieAR is rated higher. Arpie averages 4.5 out of 5 from 10 ratings, while oogieAR averages 5.0 from 1 ratings.

### Do Arpie or oogieAR have ads?

Neither Arpie nor oogieAR shows ads.

### Which is updated more often, Arpie or oogieAR?

Arpie ships an update every 97 months, and oogieAR every 3 months. Most recently, Arpie was updated on October 19, 2026 and oogieAR on October 16, 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.*