# ERS_EchORek2 vs 501 Chorus Echo

The clearest difference is rating: 501 Chorus Echo at 4.5 against ERS_EchORek2's 4.1. ERS_EchORek2's advantage is price ($9.99 vs $14.99) and iOS requirement (9.3 vs 15). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

ERS_EchORek2 costs $9.99 and 501 Chorus Echo $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

501 Chorus Echo holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 7 and 8 respectively.

ERS_EchORek2 ships an update every 26 months, 501 Chorus Echo every 17 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ERS_EchORek2 | 501 Chorus Echo |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/ers-echorek2/id1584374254/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/501-chorus-echo/id6473418769/reviews)** |
| Number of ratings | 7 | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 17 months** |
| Monetization | Paid | Paid |
| Size | 13 MB | 23 MB |
| Requires iOS | **9.3** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Siedschlag](https://appshunter.io/developer/538434682) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### ERS_EchORek2

[App page](https://appshunter.io/ios/app/ers-echorek2/id1584374254)

This audio plugin emulates the iconic Binson Echorec2 analog delay, offering a unique, dreamlike, and psychedelic sound. Developed with careful study of original schematics, it provides enhanced controls for musicians seeking a distinctive vintage delay effect.

**Highlights:** Authentic 70's analog delay emulation, Binson Echorec2 sound, Enhanced controls, Psychedelic sound quality, Vintage delay effect

**Features:** Vision Pro support

**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 ERS_EchORek2 free?

ERS_EchORek2 costs $9.99, 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, ERS_EchORek2 or 501 Chorus Echo?

501 Chorus Echo is rated higher. ERS_EchORek2 averages 4.1 out of 5 from 7 ratings, while 501 Chorus Echo averages 4.5 from 8 ratings.

### Do ERS_EchORek2 or 501 Chorus Echo have ads?

Neither ERS_EchORek2 nor 501 Chorus Echo shows ads.

### Which is updated more often, ERS_EchORek2 or 501 Chorus Echo?

ERS_EchORek2 ships an update every 26 months, and 501 Chorus Echo every 17 months. Most recently, ERS_EchORek2 was updated on October 24, 2026 and 501 Chorus Echo on October 18, 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.*