# Phase Modulator vs SL Tape

The clearest difference is price: Phase Modulator at $1.99 against SL Tape's $6.99. SL Tape's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Phase Modulator costs $1.99 and SL Tape $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Phase Modulator | SL Tape |
| --- | --- | --- |
| Price | **$1.99** | $6.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phase-modulator/id6780734729/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Paid | — |
| Size | 8 MB | 17 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## 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


### SL Tape

[App page](https://appshunter.io/ios/app/sl-tape/id6797349450)

**Features:** macOS Compatibility, 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 SL Tape free?

SL Tape costs $6.99, with no in-app purchases.

### Do Phase Modulator or SL Tape have ads?

Neither Phase Modulator nor SL Tape 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.*