QuaDelay vs PocketStrum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QuaDelay
This audio effect plugin creates unique stereo delay soundscapes using four independent delay lines. It offers advanced control over delay times, regeneration, modulation, and filtering for ambient and experimental audio textures. It can be used standalone or within compatible host applications.
- Four independent stereo delay lines
- Adjustable delay times and ratios
- Variable regeneration (feedback)
- Stereo modulation effect
- Low-pass filter for repeats
- Integrated reverb effect
- Standalone and AUv3 compatible
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QuaDelay Delay-Scaper (AUv3) QuaDelay is an audio effect plugin that can run standalone, or in any AU compatible host application such as Logic or GarageBand. Overview QuaDelay is a stereo delay effect that uses four independent delay lines to create interesting, and sometimes mesmerising "delay-scapes". QuaDelay is not your typical ping-pong delay, so if you're looking for tempo-sync'd quarter note triplets and dotted eighths, that's not really what QuaDelay is about. If on the other hand, you're interested in creating lush and ambient delay-based effects, this might just be the delay for you! Parameters Active - Toggles the effect On or Off. Note that when you set the effect to Off, you will still hear the delay repeats, but your input signal is no longer fed into the delay processing. This is a similar idea to the "trails" feature in many delay effects units and pedals. Delay - Sets the base delay time between 100ms and 8 seconds. Other delays will be heard at different times depending on the Ratios setting. Ratios - Changes how the other three delay line times are calculated. The 2:3:4 setting is probably the most obviously rhythmic, as it's based on the formula 1-(1/x) which produces the ratios of 50, 67 and 75%. These ratios are applied to the base delay time, so for a base delay time of 1000ms, one delay will occur after 1000ms and the others at 500ms, 667ms and 750ms. The Gold and Silver Ratios calculations are based on Prime numbers and the Golden and Silver Ratio in Mathematics. These calculations are the QuaDelay "secret sauce" ! Regen - Sets the regeneration or feedback of the delay repeats up to 100% "endless" repeats. Note that at high Regen levels, the sound will appear to degrade in quality and become "washed-out" or "murky". This is intentional, and an attempt to capture the sound of analog delays with limited fidelity. Compression and limiting are also applied internally to prevent excessive build-up, which can also result in a "crunchy" sound at extreme settings as the repeats are squashed each time they're layered on top of each other. Again, this tends to be a sonic characteristic of analog and tape-based delays. Mod - Applies a variable amount of stereo modulation to the delayed sound. LPF - Sets the cutoff frequency of a lowpass filter applied to the delay repeats. Reduce the LPF control for a darker echo sound. Dry - Sets how much of the dry / incoming signal is added to the output stage, and can be muted entirely if desired. Wet - Sets the overall level of the generated delay / effect. Reverb - Applies a large-sounding stereo-tastic reverb to the combined Dry and Wet output. Adding Reverb helps "smear" the delay repeats, creating ambient washes of sounds. By setting the Wet level to zero, you can use QuaDelay as a simple reverb effect. If the name sounds familiar, QuaDelay is an improved version of the QUADELAY module developed for Voltage Modular by Waverley Instruments. For more info and support please visit: www.waverley-instruments.com/robjackson
PocketStrum
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The beloved electronic autoharp of the early '80s — the strum-anything wonder heard on records by Gorillaz, David Bowie and Brian Eno — reborn as a pocket instrument anyone can play in seconds. Press a chord button with your left thumb. Sweep your right thumb across the SonicStrings-style strumplate. That's it — you're making music. Every string is always in tune, because the plate re-tunes itself to whatever chord you're holding. MADE FOR INSTANT MUSIC • 12-string touch strumplate with true multitouch and velocity — strum slow and soft or fast and bright, with a haptic tick on every string • 108 chords from a 3 × 12 panel: hold Maj+7 for maj7, Min+7 for m7, Maj+Min for dim, all three for aug, plus Sus4 and Add9 keys • Four voices — Omni, Harp, Celeste, Organ — from a real-time polyphonic synth engine with shimmering delay, hall reverb and vibrato • A sustained chord-organ layer with its own volume fader, for that warm held-pad-plus-sparkle sound the originals were famous for • Seven built-in demo songs that play the instrument for you — and a LEARN MODE that turns every one into an interactive lesson: the song pauses at each chord change, the keys to press light up, and it rolls on the moment you play them • Tape mode: gentle wow & flutter, like a loved cassette • Left-handed strumplate option • Record your performance and share it anywhere with one tap • MIDI out: a "Pocket Strum" virtual source plays GarageBand, Logic, AUM or hardware synths straight from the strumplate • Six voices: Omni, Harp, Celeste, Organ, Bell and Pad A BAND IN YOUR POCKET • Five rhythms with drums and an auto-bass that follows your chords: Rock, Slow rock, Waltz, Bossa nova and Hip hop • Tempo fader from 60 to 180 BPM with a running-beat LED • Keeps playing in the background and mixes with Apple Music or Spotify, so you can jam along with anything TWO LOOKS, ONE INSTRUMENT • Classic: a cream-and-red hardware skin with bevelled plastic keys, red LEDs and ruler-ticked faders, straight out of 1981 • Modern: a flat, dark, stage-friendly UI • Switch anytime — your choice is remembered HONEST BY DESIGN • Pay once, own it forever • No ads, no subscriptions, no accounts, no tracking — the app collects no data at all • Works in portrait and landscape on any iPhone running iOS 17 or later Whether you're sketching songs, adding dreamy texture to a track, or handing your phone to someone who's "not musical" and watching them light up — Pocket Strum makes playing feel like magic.
Screenshots
Verdict
The clearest difference is price: QuaDelay at $1.99 against PocketStrum's $9.99. QuaDelay also leads on device support (4 vs 1) and iOS requirement (12.0 vs 17.0). On ads and in-app purchases 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
QuaDelay costs $1.99 and PocketStrum $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | QuaDelay | PocketStrum |
|---|---|---|
| Price | $1.99 — better | $9.99 |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Rob Jackson | Tony McMahon |
In-app purchases
QuaDelay
No in-app purchases
PocketStrum
No in-app purchases
Questions
Is QuaDelay free?
Is PocketStrum free?
Do QuaDelay or PocketStrum have ads?
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