# springVerb vs GSDSP Quantum Delay

The clearest difference is review sentiment: GSDSP Quantum Delay at 100% against springVerb's 0%. GSDSP Quantum Delay also leads on rating (4.8 vs 4.3) and update cadence (every 5 weeks vs every 5 months). springVerb's advantage is price ($4.99 vs $14.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

springVerb costs $4.99 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 4.3. Both are backed by a comparable volume of ratings — 6 and 17 respectively. Written reviews point the same way: 0% of springVerb's written reviews are positive against 100% of GSDSP Quantum Delay's.

springVerb ships an update every 5 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | springVerb | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$4.99** | $14.99 |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/springverb/id6450971173/reviews) | **[4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews)** |
| Number of ratings | 6 | **17** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 80 MB | 94 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSC Audio](https://appshunter.io/developer/1693533681) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### springVerb

[App page](https://appshunter.io/ios/app/springverb/id6450971173)

This app offers a wide range of vintage and modern spring reverb effects for music production. It features 14 distinct spring modes and extensive controls for deep sound customization, including EQ and automation. Presets can be saved and shared across platforms.

**Highlights:** 14 Spring Reverb Models, 16+ In-depth Controls, Built-in 3-band EQ, Preset Manager, Cross-platform Preset Sharing, Automation Control

**Features:** macOS Compatibility, 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 springVerb free?

springVerb costs $4.99, 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, springVerb or GSDSP Quantum Delay?

GSDSP Quantum Delay is rated higher. springVerb averages 4.3 out of 5 from 6 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

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

Neither springVerb nor GSDSP Quantum Delay shows ads.

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

springVerb ships an update every 5 months, and GSDSP Quantum Delay every 5 weeks. Most recently, springVerb was updated on September 23, 2026 and GSDSP Quantum Delay on September 22, 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.*