Vocal Cleaner vs GSDSP Quantum Delay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vocal Cleaner
This tool helps producers achieve pristine vocal recordings by reducing unwanted noise, taming harsh sibilance, and eliminating background hum. It offers intelligent algorithms and intuitive controls to clean up audio imperfections before further processing.
- Intelligent De-Noise algorithm
- Sibilance (De-Es) reduction
- Noise Gate for breath sounds
- Adjustable Bright, Natural, Dark modes
- High/Low Pass Filters
- Presence control for definition
- Master Mix for parallel processing
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However hard you try, capturing a perfect vocal is an almost impossible task. Contending with plosives and pops, crackles and clicks, has driven many a producer to distraction. The first hurdle is getting your dry vocal track as pristine as possible and fixing all those troublesome little audio imperfections. This is way before you can even think about compression or reverb. Vocal Cleaner puts your vocals through a rinse cycle, subtly taming harsh sibilance and removing intermittent noise. With simple threshold sliders and Amount dials for easy operation, this should be the first plugin in your vocal effects chain, taking the pain out of that initial stage of vocal processing. So load it into your DAW and get ready to really clean up. De-Noise Applying an intelligent algorithm to the incoming audio, this process splits the signal into voice and noise and allows you to strip away the background hum, hiss and other extraneous noise. Experiment with the main fader and the Amount dial to reduce the noise to a manageable level without compromising the vocal quality. De-Es Hissing mouth sounds created by “sss” and “shh” sounds are known as sibilance. These can be exaggerated by some microphones and result in a recording that sounds unbalanced and is difficult to listen to comfortably. The De-Es unit within Vocal Cleaner detects these harsh high frequency sounds and creates an intelligent and adaptable EQ curve, reducing the volume of these unwanted artefacts. Noise Gate Setting a minimum threshold of amplitude, the Noise Gate clamps down on quiet sections of audio whilst letting louder parts through. This is ideal for cutting out breath sounds and room noise. Fine-tune the effect with the Amount dial to maintain a natural sound. Bright, Natural & Dark The signal algorithms are optimised for audio with different qualities, so you can click the B/N/D buttons to tailor the processing to your individual needs. Choose either Bright, for high frequency noise, dark for noise in the lower register or Natural for a balanced effect. High / Low Filter & Presence Using the high and low pass filter helps to roll-off unwanted hum and upper frequencies, balancing the audio in a comfortable centre-ground. The Presence control restores some of the definition with a combination of saturation, compression and EQ. Bright, Natural & Dark (B / N / D) The signal algorithms are optimised for audio with different qualities, so you can click the B/N/D buttons to tailor the processing to your individual needs. Choose either Bright, for high frequency noise, dark for noise in the lower register or Natural for a balanced effect. Bypass, Output & Master Mix The bypass control is smoothed to be as click and pop free as possible for unhindered A/B testing when combined with the Output dial. Choose to mix the cleaned vocal signal with your original raw audio via the central Master Mix ratio control, allowing you to dial down the impact of heavier processing for parallel effects. Visual Feedback The live VU meters of the interface show exactly what’s happening to the signal as it travels through each stage of cleaning in real time. This allows for accurate monitoring at every step of the chain. W. A. Production are real-life producers making creative plugins to help you achieve studio quality processing quickly and easily. Enjoy! Features: - Easy to use clean up for all sorts of vocals - 3 processing stages - De-noise, De-ess & Noise Gate - Bright, Normal & Dark optimisation modes - Presence control - Low and high pass filter - Pop & click free bypass - Factory presets - Full PDF Manual & Tutorial video Important: This is an Audio Unit Effect Plugin (AUv3), which requires a host such as AUM or Audiobus – or a DAW such as GarageBand or Cubasis.
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)
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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
Screenshots
Verdict
The clearest difference is review sentiment: GSDSP Quantum Delay at 100% against Vocal Cleaner's 25%. GSDSP Quantum Delay also leads on rating (4.8 vs 3.3). Vocal Cleaner's advantage is price ($3.99 vs $14.99). On ratings volume, ads, in-app purchases and monetization model 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
Vocal Cleaner costs $3.99 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 3.3. Both are backed by a comparable volume of ratings — 7 and 17 respectively. Written reviews point the same way: 25% of Vocal Cleaner's written reviews are positive against 100% of GSDSP Quantum Delay's.
| Parameter | Vocal Cleaner | GSDSP Quantum Delay |
|---|---|---|
| Price | $3.99 — better | $14.99 |
| Rating | 3.3 (7 ratings) | 4.8 (17 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 | 17 — better |
| Update frequency | — | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | Paradise Audio s.r.o. | Gustav Scholda |
Customer experience
Vocal Cleaner
GSDSP Quantum Delay
In-app purchases
Vocal Cleaner
No in-app purchases
GSDSP Quantum Delay
No in-app purchases








