# Sonic Synth vs Harmonitron

The clearest difference is rating: Harmonitron at 5.0 against Sonic Synth's 3.0. Sonic Synth's advantage is price ($1.99 vs $2.99) and iOS requirement (13.0 vs 17.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Sonic Synth costs $1.99 and Harmonitron $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harmonitron holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Sonic Synth | Harmonitron |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/sonic-synth-fm-synthesizer/id1104940736/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmonitron/id6790326853/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Paid | Paid |
| Size | 1 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### Sonic Synth

[App page](https://appshunter.io/ios/app/sonic-synth-fm-synthesizer/id1104940736)

Create a wide variety of sounds with this FM synthesizer app. It features three independent oscillators, each capable of generating four unique waveforms, and offers a responsive touch keyboard for real-time performance. Enjoy high-quality audio with a 44100 Hz sample rate.

**Highlights:** 3 independent oscillators, 4 waveform types per oscillator, Volume, modulation, tone, and detune controls, Envelope filters (attack, sustain, release), Multitouch support, Responsive piano keyboard, Core MIDI support

**Features:** Vision Pro support

**In-app purchases:** none


### Harmonitron

[App page](https://appshunter.io/ios/app/harmonitron/id6790326853)

This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.

**Highlights:** True harmonic tremolo with anti-phase modulation, Voice control for morphing between classic and harmonic tremolo, Split & Tilt for band crossover and balance, Tube Drive and tone shaping, Adjustable Rate and LFO Shapes, Tempo Sync with musical note divisions, Stereo Spread for auto-pan and width

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Synth free?

Sonic Synth costs $1.99, with no in-app purchases.

### Is Harmonitron free?

Harmonitron costs $2.99, with no in-app purchases.

### Which has better reviews, Sonic Synth or Harmonitron?

Harmonitron is rated higher. Sonic Synth averages 3.0 out of 5 from 1 ratings, while Harmonitron averages 5.0 from 2 ratings.

### Do Sonic Synth or Harmonitron have ads?

Neither Sonic Synth nor Harmonitron shows ads.

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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.*