# Stellarvox vs 501 Chorus Echo

The clearest difference is review sentiment: Stellarvox at 100% against 501 Chorus Echo's 0%. Stellarvox also leads on rating (5.0 vs 4.5) and update cadence (every 5 months vs every 17 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Stellarvox costs $11.99 and 501 Chorus Echo $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stellarvox holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews point the same way: 100% of Stellarvox's written reviews are positive against 0% of 501 Chorus Echo's.

Stellarvox ships an update every 5 months, 501 Chorus Echo every 17 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Stellarvox | 501 Chorus Echo |
| --- | --- | --- |
| Price | **$11.99** | $14.99 |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/stellarvox/id6472060413/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/501-chorus-echo/id6473418769/reviews) |
| Number of ratings | **11** | 8 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 23 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Igor Vasiliev](https://appshunter.io/developer/424401626) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## 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


### 501 Chorus Echo

[App page](https://appshunter.io/ios/app/501-chorus-echo/id6473418769)

This audio plugin meticulously models the iconic Roland RE-501 Chorus Echo, offering authentic analog warmth with modern digital flexibility. It provides producers with classic tape delay, BBD chorus, and spring reverb sounds, enhanced by DAW tempo sync and expanded controls for any music genre.

**Highlights:** Authentic analog sound reproduction, Extended creative control with DAW sync, Intuitive user interface, Versatile for any music genre, Independent SOS timings, Linear preamp option

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stellarvox free?

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

### Is 501 Chorus Echo free?

501 Chorus Echo costs $14.99, with no in-app purchases.

### Which has better reviews, Stellarvox or 501 Chorus Echo?

Stellarvox is rated higher. Stellarvox averages 5.0 out of 5 from 11 ratings, while 501 Chorus Echo averages 4.5 from 8 ratings.

### Do Stellarvox or 501 Chorus Echo have ads?

Neither Stellarvox nor 501 Chorus Echo shows ads.

### Which is updated more often, Stellarvox or 501 Chorus Echo?

Stellarvox ships an update every 5 months, and 501 Chorus Echo every 17 months. Most recently, Stellarvox was updated on October 9, 2026 and 501 Chorus Echo on October 13, 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.*