# Stereo Modulator vs jAmp IR

The clearest difference is price: jAmp IR at Free against Stereo Modulator's $2.99. jAmp IR also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (15 vs 3). Stereo Modulator's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.7). On ads, in-app purchases and device support there is nothing between them.

jAmp IR is free to download; Stereo Modulator costs $2.99 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 4.7. That said, the two scores are not equally well evidenced: jAmp IR has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Stereo Modulator's written reviews are positive against 67% of jAmp IR's.

Stereo Modulator ships an update every 3 months, jAmp IR every 2 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stereo Modulator | jAmp IR |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stereo-modulator/id1370816026/reviews)** | [4.7 (15 ratings)](https://appshunter.io/ios/app/jamp-ir/id6476031801/reviews) |
| Number of ratings | 3 | **15** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 1 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## 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


### jAmp IR

[App page](https://appshunter.io/ios/app/jamp-ir/id6476031801)

This tool loads impulse responses for guitar and bass amp cabinet simulation. It allows mixing two impulse responses and offers fine control over filters, gain, and phase. The app includes five high-quality impulse responses.

**Highlights:** Impulse response loader, Cabinet simulator for guitar and bass, Mix two impulse responses, High and low pass filters, Gain control, Phase inversion

**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 jAmp IR free?

jAmp IR is free to download, with no in-app purchases.

### Which has better reviews, Stereo Modulator or jAmp IR?

Stereo Modulator is rated higher. Stereo Modulator averages 5.0 out of 5 from 3 ratings, while jAmp IR averages 4.7 from 15 ratings.

### Do Stereo Modulator or jAmp IR have ads?

Neither Stereo Modulator nor jAmp IR shows ads.

### Which is updated more often, Stereo Modulator or jAmp IR?

Stereo Modulator ships an update every 3 months, and jAmp IR every 2 weeks. Most recently, Stereo Modulator was updated on October 15, 2026 and jAmp IR on October 12, 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.*