# Arpie vs Pentaholic Synth

The clearest difference is rating: Arpie at 4.5 against Pentaholic Synth's 3.8. Arpie also leads on review sentiment (93% vs 57%) and in-app purchases (none vs 1). Pentaholic Synth's advantage is update cadence (every 6 days vs every 97 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Pentaholic Synth sells 1 one-off in-app purchase. Arpie asks for nothing beyond the download.

Arpie holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 10 and 6 respectively. Written reviews point the same way: 93% of Arpie's written reviews are positive against 57% of Pentaholic Synth's.

Arpie ships an update every 97 months, Pentaholic Synth every 6 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Arpie | Pentaholic Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/arpie/id570542456/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/pentaholic-synth/id6762106586/reviews) |
| Number of ratings | **10** | 6 |
| Positive reviews | **92.5% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 97 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 25 MB | 21 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keijiro Takahashi](https://appshunter.io/developer/448568328) | [Andrew Strickland](https://appshunter.io/developer/1892938530) |

## 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


### Pentaholic Synth

[App page](https://appshunter.io/ios/app/pentaholic-synth/id6762106586)

This app digitally recreates a classic polyphonic synthesizer, offering authentic sound design and songwriting inspiration. It features a 300-note sequencer, multiple oscillators per voice, and performance controls like a joystick and expression pedal inputs.

**Highlights:** Authentic 5-voice polyphony, 3 oscillators per voice with 8 waveforms, Component-level circuit modeling, Dual ADSR envelopes, 300-note polyphonic sequencer, Joystick and expression pedal support

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Features | $28.00 | one-time |


## Frequently asked questions

### Is Arpie free?

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

### Is Pentaholic Synth free?

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

### Which has better reviews, Arpie or Pentaholic Synth?

Arpie is rated higher. Arpie averages 4.5 out of 5 from 10 ratings, while Pentaholic Synth averages 3.8 from 6 ratings.

### Do Arpie or Pentaholic Synth have ads?

Neither Arpie nor Pentaholic Synth shows ads.

### Which is updated more often, Arpie or Pentaholic Synth?

Arpie ships an update every 97 months, and Pentaholic Synth every 6 days. Most recently, Arpie was updated on October 19, 2026 and Pentaholic Synth on October 24, 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.*