GSDSP Quantum Delay vs WaveCloud
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GSDSP Quantum Delay
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.
- 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)
Read full descriptionHide full description
A vintage-inspired delay supercharged with deep modulation, flexible filtering, and creative timing that pushes echoes into new dimensions. Classic Delay, Reinvented Quantum Delay takes the charm of a vintage stereo delay and fuses it with our next-level modulation system. Switch between the warm character of Tape mode and the pristine clarity of Fade mode, lock to BPM (including 5-tuplets) or dial in precise times in milliseconds. Use the Fine control for subtle push-and-pull micro-timing — or modulate your delay lines in ways traditional delays could only dream of. Sculpted Echoes Shape your repeats with switchable lowpass, highpass, and bandpass filters placed directly in the feedback path. Add modulation to create evolving tones, gentle movement, or drifting, frequency-shifting echoes. From warm analog-style rolls to shimmering, swirling textures, it’s all there. Feedback with Precision Control your delay tail behavior using either traditional % feedback or our modern dB-per-second decay system — ideal for predictable, musical decay even when the feedback path becomes complex. Enable Crossfeed for classic ping-pong stereo bounce, or push into Over-Feedback to create dense, self-building echoes that drift toward infinity. Stereo or Dual Mono Every section of Quantum Delay — delay, filter, and feedback — can switch between stereo and dual mono modes. Create tight, controlled stereo images or break them apart for wide, offset, unpredictable spaces. Dual mono modulation unlocks complex stereo interplay and beautifully asymmetric echoes. Modulation Without Limits Quantum Delay integrates our advanced modulation system, letting you modulate nearly anything: delay time, filters, feedback parameters, stereo controls, and more. Use LFOs, Random Generators, 2D modulators, Envelope Followers, Macros, and even chaotic systems to push your echoes far beyond traditional delay behavior. Or use our parameter randomisation feature to explore the plugin’s sound at random. Quantum Delay is an AUv3 audio effect plugin compatible with Logic Pro, AUM, Cubasis, GarageBand and many more. A Desktop version is also available for Windows and macOS (VST3 / AU / AAX). More information here: https://gs-dsp.com/products
WaveCloud
This app offers advanced tools for manipulating audio samples into unique sounds. It allows for precise control over tiny audio fragments, enabling the creation of diverse textures, effects, and soundscapes. Features include a morphing oscillator, LFOs, filters, and unique movement modules.
- Granular synthesis engine
- Morphing oscillator
- Orbit and WaveGlide modules
- MPE support
- Built-in effects suite
- Audio editor and managers
- 200+ presets
Read full descriptionHide full description
WaveCloud is an innovative granular synthesizer that offers powerful tools for manipulating and playing sounds. Granular synthesis divides an audio sample into tiny fragments, called grains, each typically a few milliseconds in length. These grains are then manipulated independently in terms of pitch, duration, position in time, and amplitude. Unlike traditional synthesis, the capability to manipulate tiny grains of audio offers enormous precision of sound control, transformation, and compositional possibilities. WaveCloud offers a wide range of tools for experimentation – oscillator, LFOs, filters, envelopes, routing matrix, innovative WaveGlide and Orbit modules for grain movement, effects, MPE support, extensive waveform editing, customizable themes, MIDI CC control, aftertouch, audio pool manager, and 200+ presets to get you started. Granular synthesis is extremely versatile and can produce a vast range of sounds and textures, from subtle, atmospheric sounds to complex, dynamic ones. WaveCloud offers dozens of parameters, enabling you to sculpt the sound grains in any way you wish – textural pads and atmospheres, time-stretched effects, glitchy and stutter effects, vocal and instrumental manipulations, granular synthesis percussive sounds, experimental effects, as well as microtonal and harmonic soundscapes. WaveCloud features a drag and drop system for importing and exporting of audio files and presets. It has its own built-in Preset and Audio Managers to help keep everything in order. WaveCloud even features a fully-fledged zoomable audio editor along with a suite of tools to crop, fade, cut, copy, paste, and normalise your samples. We include a morphing 3-state Oscillator to support the granular engine. The granular engine allows up to 50 grains per second per note, with grain lengths up to a second in length. Grains can be sculpted with our morphing envelope generator, manipulated with our LFOs, FEGs and VCFs, and passed through lots of randomisation to keep things continually evolving. WaveCloud also features two unique features for adding movement to audio grains. Orbit mode allows you to play sweeping patterns tied to the physical host tempo of your DAW, and WaveGlide is a sequencer with glides and fades from one location to another. To top it all off, we include 7 built-in effects, delay, reverb, chorus, overdrive, phaser, resonator, and 8-band EQ. The resonator controls per-note feedback and dispersion for amazing MPE effects. WaveCloud is not only a deep and powerful granular synth but also a fun way to create many incredible sounds. Features • Over 200 presets • 3-state morphing oscillator (sine, square, saw) • Morphing grain shapes • 2 low-frequency morphing oscillators • 4 multistep envelope generators • 2 visual filters (series and parallel modes) • Per-channel feedback resonators with dispersion • MPE Support (per-channel pitch bend, aftertouch, and CC74) • Orbit mode • WaveGlide sequencing • Fully Featured Mod-Matrix • Direct record and playback of samples • Built-in sample editor with editing tools • 7 built-in effects • Built-in Audio Manager with drag and drop support • Preset Manager with easy import/export, drag and drop • Colour scheme editor
Screenshots
Verdict
GSDSP Quantum Delay and WaveCloud both sit at 4.8 stars, but that hides the real split: 100% of GSDSP Quantum Delay's written reviews are positive against 69% of WaveCloud's. WaveCloud's advantage is update cadence (every 3 weeks vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
GSDSP Quantum Delay costs $14.99 and WaveCloud $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for GSDSP Quantum Delay against 4.9 for WaveCloud. Both are backed by a comparable volume of ratings — 17 and 26 respectively. Written reviews are what separate them: 100% of GSDSP Quantum Delay's written reviews are positive against 69% of WaveCloud's.
GSDSP Quantum Delay ships an update every 5 weeks, WaveCloud every 3 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.
| Parameter | GSDSP Quantum Delay | WaveCloud |
|---|---|---|
| Price | $14.99 | $14.99 |
| Rating | 4.8 (17 ratings) | 4.9 (26 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 69.2% of reviews |
| Number of ratings | 17 | 26 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 94 MB | 286 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustav Scholda | 4Pockets.com |
Customer experience
GSDSP Quantum Delay
WaveCloud
In-app purchases
GSDSP Quantum Delay
No in-app purchases
WaveCloud
No in-app purchases







