# Phase Modulator vs Tonic Synth

The clearest difference is price: Phase Modulator at $1.99 against Tonic Synth's $24.99. On rating, ratings volume, ads and in-app purchases there is nothing between them.

Phase Modulator costs $1.99 and Tonic Synth $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Phase Modulator against 5.0 for Tonic Synth. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Phase Modulator | Tonic Synth |
| --- | --- | --- |
| Price | **$1.99** | $24.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/phase-modulator/id6780734729/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tonic-synth/id6783345229/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Paid | Paid |
| Size | 8 MB | 34 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) | [Rubens Felicio](https://appshunter.io/developer/6775565794) |

## What reviewers say

### Phase Modulator

[App page](https://appshunter.io/ios/app/phase-modulator/id6780734729)

This app generates complex audio textures and tones by manipulating the phase of a carrier oscillator with a modulating signal. It offers two distinct modes: internal oscillator-to-oscillator modulation or using your audio input as the modulation source. Explore a wide range of sonic possibilities from shimmering harmonics to dense, inharmonic spectra.

**Highlights:** Phase modulation synthesis, Internal carrier and modulator oscillators, Audio input as modulation source, Adjustable carrier and modulator frequencies, Modulation index control, Selectable oscillator waveforms, Amplitude tracking of input audio

**Features:** Vision Pro support

**In-app purchases:** none


### Tonic Synth

[App page](https://appshunter.io/ios/app/tonic-synth/id6783345229)

A powerful synthesizer app offering three oscillators with diverse sound sources, including physical modeling and wavetables. It features eight analog filter simulations, extensive modulation options, and a full effects rack. Available as a standalone app or AU/AUv3 plugin for Mac and iOS.

**Highlights:** Three oscillators with physical modeling, virtual-analog, wavetable, SF2, and sysex FM, Eight analog filter simulations (LP/HP/BP/Notch, 12/24 dB), Comprehensive modulation: LFO, envelope follower, note-per-note filter envelope, Full effects rack: chorus, delay, reverb, EQ, compressor, flanger, phaser, Standalone app and AU/AUv3 plugin support, Live performance features: editable presets, six scenes, MIDI Learn

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Phase Modulator free?

Phase Modulator costs $1.99, with no in-app purchases.

### Is Tonic Synth free?

Tonic Synth costs $24.99, with no in-app purchases.

### Which has better reviews, Phase Modulator or Tonic Synth?

Phase Modulator and Tonic Synth are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Phase Modulator or Tonic Synth have ads?

Neither Phase Modulator nor Tonic Synth 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.*