# 501 Chorus Echo vs Outer Space

The clearest difference is review sentiment: Outer Space at 100% against 501 Chorus Echo's 0%. Outer Space also leads on rating (5.0 vs 4.5) and update cadence (every 6 months vs every 17 months). 501 Chorus Echo's advantage is price ($8.99 vs $19.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

501 Chorus Echo costs $8.99 and Outer Space $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Outer Space holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 0% of 501 Chorus Echo's written reviews are positive against 100% of Outer Space's.

501 Chorus Echo ships an update every 17 months, Outer Space every 6 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 501 Chorus Echo | Outer Space |
| --- | --- | --- |
| Price | **$8.99** | $19.99 |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/501-chorus-echo/id6473418769/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/outer-space-tape-echo/id6473747074/reviews)** |
| Number of ratings | 8 | **16** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 23 MB | 25 MB |
| Requires iOS | 15 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### 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


### Outer Space

[App page](https://appshunter.io/ios/app/outer-space-tape-echo/id6473747074)

This app emulates a vintage tape echo unit from the seventies, featuring three playback heads and two spring reverb tanks. It models various tape responses and analog imperfections for authentic sound.

**Highlights:** Tape echo emulation, Three playback heads, Two spring reverb tanks, Multiple tape responses, Analog imperfection modeling, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 501 Chorus Echo free?

501 Chorus Echo costs $8.99, with no in-app purchases.

### Is Outer Space free?

Outer Space costs $19.99, with no in-app purchases.

### Which has better reviews, 501 Chorus Echo or Outer Space?

Outer Space is rated higher. 501 Chorus Echo averages 4.5 out of 5 from 8 ratings, while Outer Space averages 5.0 from 16 ratings.

### Do 501 Chorus Echo or Outer Space have ads?

Neither 501 Chorus Echo nor Outer Space shows ads.

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

501 Chorus Echo ships an update every 17 months, and Outer Space every 6 months. Most recently, 501 Chorus Echo was updated on September 28, 2026 and Outer Space on October 1, 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.*