# Synthesizer Sim vs Pentaholic Synth

The clearest difference is ads: Pentaholic Synth at none against Synthesizer Sim's shown. Pentaholic Synth also leads on update cadence (every 6 days vs every 3 months) and monetization model (free vs free with in-app purchases). Synthesizer Sim's advantage is rating (4.2 vs 3.8). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Synthesizer Sim 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.

Synthesizer Sim holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 13 and 6 respectively.

Synthesizer Sim ships an update every 3 months, Pentaholic Synth every 6 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | Synthesizer Sim | Pentaholic Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (13 ratings)](https://appshunter.io/ios/app/synthesizer-sim/id6740828486/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/pentaholic-synth/id6762106586/reviews) |
| Number of ratings | **13** | 6 |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 21 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alper Kahriman](https://appshunter.io/developer/1054578352) | [Andrew Strickland](https://appshunter.io/developer/1892938530) |

## What reviewers say

### Synthesizer Sim

[App page](https://appshunter.io/ios/app/synthesizer-sim/id6740828486)

This app transforms your device into a versatile music creation studio, offering a responsive synth keyboard and advanced sound design tools. Explore a wide range of sounds, record your performances, and share your music instantly. It supports MIDI input and includes rhythm tools for practice and live performance.

**Highlights:** Responsive synth keyboard, Advanced sound design engine, Built-in effects and modulation, MIDI keyboard support, Rhythm accompaniment and metronome, Performance recording and sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $9.99 | 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 Synthesizer Sim free?

Synthesizer Sim 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, Synthesizer Sim or Pentaholic Synth?

Synthesizer Sim is rated higher. Synthesizer Sim averages 4.2 out of 5 from 13 ratings, while Pentaholic Synth averages 3.8 from 6 ratings.

### Do Synthesizer Sim or Pentaholic Synth have ads?

Synthesizer Sim shows ads; Pentaholic Synth does not.

### Which is updated more often, Synthesizer Sim or Pentaholic Synth?

Synthesizer Sim ships an update every 3 months, and Pentaholic Synth every 6 days. Most recently, Synthesizer Sim was updated on October 8, 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.*