# Stellarvox vs jAmp Doubler

The clearest difference is price: jAmp Doubler at Free against Stellarvox's $11.99. jAmp Doubler also leads on update cadence (every 9 days vs every 5 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

jAmp Doubler is free to download; Stellarvox costs $11.99 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 Stellarvox against 5.0 for jAmp Doubler. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stellarvox ships an update every 5 months, jAmp Doubler every 9 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stellarvox | jAmp Doubler |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/stellarvox/id6472060413/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/jamp-doubler/id6475082851/reviews) |
| Number of ratings | **11** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 6 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Igor Vasiliev](https://appshunter.io/developer/424401626) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### Stellarvox

[App page](https://appshunter.io/ios/app/stellarvox/id6472060413)

Design immersive ambient soundscapes with a hybrid reverb and artificial space designer. Create lush textures, deep spaces, and whispering backgrounds for electronic, experimental, and sound design projects. Offers intuitive controls and inspiring presets for quick, high-quality results.

**Highlights:** Hybrid reverb with artificial space designer, Algorithmic reflections tail processing, Dynamic timbre changes over time, Geometry and dimension control, Factory presets and random feature, MIDI learn support, Standalone and AUv3 module

**Features:** macOS Compatibility

**In-app purchases:** none


### jAmp Doubler

[App page](https://appshunter.io/ios/app/jamp-doubler/id6475082851)

This audio plugin creates a stereo effect by introducing a subtle delay to one audio channel. It offers precise control over the delay time and can be managed via MIDI. Ideal for enhancing mono audio sources with a wider soundstage.

**Highlights:** Stereo widening effect, Adjustable delay time (0-50 microseconds), MIDI control, AUv3 plugin format, Enhances mono audio

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stellarvox free?

Stellarvox costs $11.99, with no in-app purchases.

### Is jAmp Doubler free?

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

### Which has better reviews, Stellarvox or jAmp Doubler?

Stellarvox and jAmp Doubler are both rated 5.0 out of 5 on the App Store, from 11 and 4 ratings respectively.

### Do Stellarvox or jAmp Doubler have ads?

Neither Stellarvox nor jAmp Doubler shows ads.

### Which is updated more often, Stellarvox or jAmp Doubler?

Stellarvox ships an update every 5 months, and jAmp Doubler every 9 days. Most recently, Stellarvox was updated on October 24, 2026 and jAmp Doubler 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.*