# Stereo Modulator vs SimplyTremolo

The clearest difference is price: SimplyTremolo at $0.99 against Stereo Modulator's $2.99. Stereo Modulator's advantage is iOS requirement (10.0 vs 16.4). On update cadence, ads, in-app purchases and device support there is nothing between them.

Stereo Modulator costs $2.99 and SimplyTremolo $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stereo Modulator ships an update every 3 months, SimplyTremolo every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stereo Modulator | SimplyTremolo |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stereo-modulator/id1370816026/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Brad Howes](https://appshunter.io/developer/430573224) |

## 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


### SimplyTremolo

[App page](https://appshunter.io/ios/app/simplytremolo/id1558372201)

**Features:** 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 SimplyTremolo free?

SimplyTremolo costs $0.99, with no in-app purchases.

### Do Stereo Modulator or SimplyTremolo have ads?

Neither Stereo Modulator nor SimplyTremolo shows ads.

### Which is updated more often, Stereo Modulator or SimplyTremolo?

Stereo Modulator ships an update every 3 months, and SimplyTremolo every 4 months. Most recently, Stereo Modulator was updated on November 2, 2026 and SimplyTremolo on November 3, 2026.

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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.*