# Stereo Modulator vs Nostalgia FX

The clearest difference is price: Stereo Modulator at $2.99 against Nostalgia FX's $9.99. Stereo Modulator also leads on ratings volume (3 vs 1) and iOS requirement (10.0 vs 12.0). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Stereo Modulator costs $2.99 and Nostalgia FX $9.99 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 Stereo Modulator against 5.0 for Nostalgia FX. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Stereo Modulator | Nostalgia FX |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/stereo-modulator/id1370816026/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nostalgia-fx/id6749879123/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Paid | Paid |
| Size | 2 MB | 37 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## What reviewers say

### Stereo Modulator

[App page](https://appshunter.io/ios/app/stereo-modulator/id1370816026)

This audio effect plugin transforms mono sound into stereo, adding width and depth. It uses micro-delays to create a natural sense of space, with optional LFO modulation for a Leslie speaker-like effect without pitch shifting. Ideal for creating separation in mixes, especially for guitars and vocals.

**Highlights:** Mono to stereo conversion, Adjustable stereo width, Optional LFO modulation, Micro-delay de-correlators, Creates natural spatial depth, No pitch shifting or echo

**Features:** macOS Compatibility

**In-app purchases:** none


### Nostalgia FX

[App page](https://appshunter.io/ios/app/nostalgia-fx/id6749879123)

Transform your audio with a collection of retro effects inspired by vintage gaming consoles and analog gear. Add warmth, texture, and character to your mixes with unique reverbs, tape echoes, and modulation.

**Highlights:** Console Reverb with vintage gaming spaces, Tape Cassette Echo with warble and loop controls, BBD Chorus for analog-style modulation, EFX Module with Bit Crusher and Noise Machine, Global controls for quick shaping, Freeze button for creative effects

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

**In-app purchases:** none


## Frequently asked questions

### Is Stereo Modulator free?

Stereo Modulator costs $2.99, with no in-app purchases.

### Is Nostalgia FX free?

Nostalgia FX costs $9.99, with no in-app purchases.

### Which has better reviews, Stereo Modulator or Nostalgia FX?

Stereo Modulator and Nostalgia FX are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Stereo Modulator or Nostalgia FX have ads?

Neither Stereo Modulator nor Nostalgia FX 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.*