# ERS_EchORek2 vs GSDSP Quantum Delay

The clearest difference is rating: GSDSP Quantum Delay at 4.8 against ERS_EchORek2's 4.1. GSDSP Quantum Delay also leads on update cadence (every 5 weeks vs every 26 months). ERS_EchORek2's advantage is price ($9.99 vs $14.99) and iOS requirement (9.3 vs 12.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

ERS_EchORek2 costs $9.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSDSP Quantum Delay holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 7 and 17 respectively.

ERS_EchORek2 ships an update every 26 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ERS_EchORek2 | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/ers-echorek2/id1584374254/reviews) | **[4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews)** |
| Number of ratings | 7 | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 13 MB | 94 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Siedschlag](https://appshunter.io/developer/538434682) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## 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


### GSDSP Quantum Delay

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297)

This app offers a vintage-inspired stereo delay effect with advanced modulation, flexible filtering, and precise timing controls. It allows users to sculpt unique echo textures, from warm analog sounds to complex, evolving soundscapes.

**Highlights:** Vintage-inspired stereo delay, Deep modulation system, Flexible filtering (LPF, HPF, BPF), Precise timing controls (BPM, ms), Switchable stereo/dual mono modes, Advanced modulation sources (LFO, Random, Envelope)

**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 GSDSP Quantum Delay free?

GSDSP Quantum Delay costs $14.99, with no in-app purchases.

### Which has better reviews, ERS_EchORek2 or GSDSP Quantum Delay?

GSDSP Quantum Delay is rated higher. ERS_EchORek2 averages 4.1 out of 5 from 7 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

### Do ERS_EchORek2 or GSDSP Quantum Delay have ads?

Neither ERS_EchORek2 nor GSDSP Quantum Delay shows ads.

### Which is updated more often, ERS_EchORek2 or GSDSP Quantum Delay?

ERS_EchORek2 ships an update every 26 months, and GSDSP Quantum Delay every 5 weeks. Most recently, ERS_EchORek2 was updated on October 7, 2026 and GSDSP Quantum Delay on October 9, 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.*