# Arpie vs Rhythm Ace

The clearest difference is review sentiment: Arpie at 93% against Rhythm Ace's 0%. Arpie also leads on rating (4.5 vs 2.0) and ratings volume (10 vs 1). Rhythm Ace's advantage is update cadence (every 2 months vs every 97 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Arpie holds the better App Store score, 4.5 against 2.0. 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. Written reviews point the same way: 93% of Arpie's written reviews are positive against 0% of Rhythm Ace's.

Arpie ships an update every 97 months, Rhythm Ace every 2 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Arpie | Rhythm Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/arpie/id570542456/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/rhythm-ace/id6763743868/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **92.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 97 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 25 MB | 6 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keijiro Takahashi](https://appshunter.io/developer/448568328) | [Tero Aarnio](https://appshunter.io/developer/1895470476) |

## 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


### Rhythm Ace

[App page](https://appshunter.io/ios/app/rhythm-ace/id6763743868)

This app is a faithful simulator of a vintage 1967 drum machine, recreating its authentic analog sounds and rhythm presets. It allows for real-time synthesis of percussion, pattern layering, and individual voice muting for unique groove creation.

**Highlights:** Faithful vintage drum machine simulation, Real-time synthesized analog sounds, 16 classic rhythm presets, Authentic pattern combining, Individual voice cancel controls, Precision tempo control

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

**In-app purchases:** none


## Frequently asked questions

### Is Arpie free?

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

### Is Rhythm Ace free?

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

### Which has better reviews, Arpie or Rhythm Ace?

Arpie is rated higher. Arpie averages 4.5 out of 5 from 10 ratings, while Rhythm Ace averages 2.0 from 1 ratings.

### Do Arpie or Rhythm Ace have ads?

Neither Arpie nor Rhythm Ace shows ads.

### Which is updated more often, Arpie or Rhythm Ace?

Arpie ships an update every 97 months, and Rhythm Ace every 2 months. Most recently, Arpie was updated on October 19, 2026 and Rhythm Ace on October 8, 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.*