# Stereo Modulator vs springVerb

The clearest difference is review sentiment: Stereo Modulator at 100% against springVerb's 0%. Stereo Modulator also leads on rating (5.0 vs 3.9) and price ($2.99 vs $4.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Stereo Modulator costs $2.99 and springVerb $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stereo Modulator holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 100% of Stereo Modulator's written reviews are positive against 0% of springVerb's.

Stereo Modulator ships an update every 3 months, springVerb every 5 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stereo Modulator | springVerb |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stereo-modulator/id1370816026/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/springverb/id6450971173/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 80 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


### springVerb

[App page](https://appshunter.io/ios/app/springverb/id6450971173)

This app offers a wide range of vintage and modern spring reverb effects for music production. It features 14 distinct spring modes and extensive controls for deep sound customization, including EQ and automation. Presets can be saved and shared across platforms.

**Highlights:** 14 Spring Reverb Models, 16+ In-depth Controls, Built-in 3-band EQ, Preset Manager, Cross-platform Preset Sharing, Automation Control

**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 springVerb free?

springVerb costs $4.99, with no in-app purchases.

### Which has better reviews, Stereo Modulator or springVerb?

Stereo Modulator is rated higher. Stereo Modulator averages 5.0 out of 5 from 3 ratings, while springVerb averages 3.9 from 7 ratings.

### Do Stereo Modulator or springVerb have ads?

Neither Stereo Modulator nor springVerb shows ads.

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

Stereo Modulator ships an update every 3 months, and springVerb every 5 months. Most recently, Stereo Modulator was updated on October 24, 2026 and springVerb on October 31, 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.*