# GSDSP Quantum Delay Lite vs jAmpler

The clearest difference is rating: GSDSP Quantum Delay Lite at 5.0 against jAmpler's 4.2. GSDSP Quantum Delay Lite also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 14.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. jAmpler sells 1 one-off in-app purchase. GSDSP Quantum Delay Lite asks for nothing beyond the download.

GSDSP Quantum Delay Lite holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

GSDSP Quantum Delay Lite ships an update every 2 months, jAmpler every 3 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Delay Lite | jAmpler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/jampler/id6757974471/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 1.4 GB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### GSDSP Quantum Delay Lite

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568)

This audio effect plugin offers vintage-inspired stereo delay with deep modulation, flexible filtering, and creative timing options. It allows for precise control over echoes, from warm analog sounds to shimmering textures, and integrates an advanced modulation system for unique sound design.

**Highlights:** Vintage-inspired stereo delay, Deep modulation system, Flexible filtering, Creative timing controls, Precise feedback control, Crossfeed and Over-Feedback options

**In-app purchases:** none


### jAmpler

[App page](https://appshunter.io/ios/app/jampler/id6757974471)

Record, import, and manipulate audio samples with a versatile instrument plugin. Create unique sounds using granular synthesis and a wide array of effects. Assign samples to a keyboard for intuitive musical performance.

**Highlights:** Record and import audio samples, Assign samples to keyboard keys, Granular synthesis controls, Extensive per-sample editing, Global effects suite, Adjustable velocity curve and temperament

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| jAmpler Activation | $7.99 | one-time |


## Frequently asked questions

### Is GSDSP Quantum Delay Lite free?

GSDSP Quantum Delay Lite is free to download, with no in-app purchases.

### Is jAmpler free?

jAmpler is free to download, with in-app purchases available.

### Which has better reviews, GSDSP Quantum Delay Lite or jAmpler?

GSDSP Quantum Delay Lite is rated higher. GSDSP Quantum Delay Lite averages 5.0 out of 5 from 3 ratings, while jAmpler averages 4.2 from 6 ratings.

### Do GSDSP Quantum Delay Lite or jAmpler have ads?

Neither GSDSP Quantum Delay Lite nor jAmpler shows ads.

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

GSDSP Quantum Delay Lite ships an update every 2 months, and jAmpler every 3 months. Most recently, GSDSP Quantum Delay Lite was updated on October 9, 2026 and jAmpler on October 11, 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.*