# Modulin vs Pentaholic Synth

The clearest difference is rating: Modulin at 4.3 against Pentaholic Synth's 3.8. Modulin also leads on review sentiment (69% vs 57%) and iOS requirement (10.0 vs 16.0). Pentaholic Synth's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Modulin sells 1 one-off in-app purchase and Pentaholic Synth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Modulin holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 17 and 6 respectively. Written reviews point the same way: 69% of Modulin's written reviews are positive against 57% of Pentaholic Synth's.

Modulin ships an update every 5 days, Pentaholic Synth every 6 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Modulin | Pentaholic Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (17 ratings)](https://appshunter.io/ios/app/modulin/id1355652754/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/pentaholic-synth/id6762106586/reviews) |
| Number of ratings | **17** | 6 |
| Positive reviews | **69.2% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 21 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grant Emerson](https://appshunter.io/developer/1399718785) | [Andrew Strickland](https://appshunter.io/developer/1892938530) |

## What reviewers say

### Modulin

[App page](https://appshunter.io/ios/app/modulin/id1355652754)

This app is a highly customizable analog modeling synthesizer designed for personal expression. It offers a wide range of visual feedback, sound modulation options, and built-in effects. Users can create, record, and share their musical creations.

**Highlights:** Customizable analog modeling synthesizer, LFO with four wave types, Low-pass filter and glide effect, Built-in reverb, delay, and chorus, Multi-track recording and playback, Synthesis exploration area, MIDI CC mapping

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Philharmodulin | Free | one-time |


### 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 Modulin free?

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

### Is Pentaholic Synth free?

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

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

Modulin is rated higher. Modulin averages 4.3 out of 5 from 17 ratings, while Pentaholic Synth averages 3.8 from 6 ratings.

### Do Modulin or Pentaholic Synth have ads?

Neither Modulin nor Pentaholic Synth shows ads.

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

Modulin ships an update every 5 days, and Pentaholic Synth every 6 days. Most recently, Modulin was updated on October 2, 2026 and Pentaholic Synth on October 8, 2026.

---

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