Parrot vs GRDelay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Parrot
This app creates rhythmic patterns by sampling and repeating small slices of incoming audio. It offers extensive control over loop length, pitch, variation, and dynamics to generate unique, evolving textures for music production.
- Rhythmic pattern generation
- Audio sampling and looping
- Adjustable loop length and pitch
- Dynamic variation control
- DAW syncing
- Free-run generative mode
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Unpredictables have more fun From subtle beat variation or harmonic accents to glitchy mayhem, Parrot adds something unique and interesting to anything that you feed it with. This effect will help ignite your next dance-floor hit or add that extra je ne sais quoi of flavour to your mix. Whatever you feed the Parrot, it won’t let you down! Parrot creates rhythmic patterns by sampling small slices of incoming audio, and repeating it in a sequenced loop. With control over loop length, pitch, variation, dynamics and filtering, the result can easily take off in any direction you want. Each slice becomes part of a loop that keeps reshaping itself as you adjust parameters, making patterns that feel alive. The sequencer reacts strongly to small changes, so even minor tweaks can introduce new pulses, stutters or harmonic shifts. Parrot can hold on to a steady rhythm, but it’s just as comfortable dissolving into broken loops and glitchy textures that evolve over time. When synced to your DAW it slots neatly into structured productions, while the free‑run mode opens up a more exploratory, generative side. The smallest change can create a new pattern, almost like turning a kaleidoscope and watching the pieces fall into a fresh formation. As the loop repeats, the interplay between timing, pitch and modulation build a sense of movement that keeps the rhythm from feeling static. Filtering can push the sound forward or bury it in grainy motion, and dynamic shaping helps each step take on its own character. Over longer sessions, patterns can morph in ways that feel unexpected yet connected to the original source, gradually forming textures that sit somewhere between groove and ambience. From gentle movement to complete fragmentation, Parrot acts as a creative companion that constantly feeds new rhythmic ideas back to you, encouraging ongoing exploration and rewarding every small adjustment with a new possibility.
GRDelay
This audio effect plugin creates unique sound textures by generating up to 16 stereo 'grains' from delayed input audio. It offers randomization of grain shape, delay time, and pitch-shifting for experimental sound design.
- Granular synthesis-based delay
- Up to 16 stereo grains
- Randomized grain shape and delay time
- Pitch-shifting and cascading grains
- Standalone and AUv3 compatible
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GRDelay - Granular Random Delay Plugin (AUv3) GRDelay is an audio effect plugin that can run standalone, or in any AU compatible host application such as Logic Pro or GarageBand. Overview - What's a Granular Random Delay? GRDelay is a randomised delay effect that uses a similar approach to granular synthesis to generate sound. In GRDelay, up to 16 "grains" of stereo sound are created in realtime from delayed copies of the input audio, with control over the grain shape and delay time. There are also options to pitch-shift grains up an octave, and cascade the output from one grain into another. Shape, delay time and pitch-shifting can all be randomised to create some really unusual effects and textures. While GRDelay can produce sounds similar to existing pitch-shifted delays and even shimmer effects, the design is totally original, and to the best of my knowledge, quite sonically unique. I think GRDelay is really one of those effects you need to hear to believe, so please do check out the reviews and demos online. Please note, because there's a "whole lot of random going on" in GRDelay, it's not a good choice if you want a delay that can do tempo / clock-sync'd rhythmic delays. Perhaps take a look at PolyDelay which offers tempo sync to host and musical note length delay times. For more info and support please visit: www.waverley-instruments.com/robjackson
Screenshots
Verdict
The clearest difference is price: GRDelay at $1.99 against Parrot's $14.99. GRDelay also leads on review sentiment (100% vs 57%) and rating (5.0 vs 4.1). Parrot's advantage is ratings volume (12 vs 3). On 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
Parrot costs $14.99 and GRDelay $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GRDelay holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews point the same way: 57% of Parrot's written reviews are positive against 100% of GRDelay's.
| Parameter | Parrot | GRDelay |
|---|---|---|
| Price | $14.99 | $1.99 — better |
| Rating | 4.1 (12 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | 3 |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Klevgrand Produkter AB | Rob Jackson |
Customer experience
Parrot
GRDelay
In-app purchases
Parrot
No in-app purchases
GRDelay
No in-app purchases





