# Quantum Sequencer vs GRDelay

The clearest difference is review sentiment: GRDelay at 100% against Quantum Sequencer's 69%. GRDelay also leads on rating (5.0 vs 4.6) and price ($1.99 vs $7.99). Quantum Sequencer's advantage is ratings volume (35 vs 3). On ads, in-app purchases, monetization model and device support there is nothing between them.

Quantum Sequencer costs $7.99 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 4.6. That said, the two scores are not equally well evidenced: Quantum Sequencer has 35 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 69% of Quantum Sequencer's written reviews are positive against 100% of GRDelay's.

## The numbers

| Metric | Quantum Sequencer | GRDelay |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | [4.6 (35 ratings)](https://appshunter.io/ios/app/quantum-sequencer/id1207932898/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/grdelay/id6757957948/reviews)** |
| Number of ratings | **35** | 3 |
| Positive reviews | 68.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | Paid |
| Size | 191 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [anthony saunders](https://appshunter.io/developer/460303742) | [Rob Jackson](https://appshunter.io/developer/1072346998) |

## What reviewers say

### Quantum Sequencer

[App page](https://appshunter.io/ios/app/quantum-sequencer/id1207932898)

This app offers an interactive approach to music composition, focusing on detailed steps that can be arranged into looping sequences. It provides extensive control over note parameters and allows for real-time manipulation and experimentation.

**Highlights:** Interactive step-focused composition, Detailed step notation (probability, ornamentation), Configurable sequence lengths and sub-sequences, 16 general faders for parameter editing, MIDI learnable faders, Programmable loop actions, Per-sequence MIDI FX, devices, and controllers

**In-app purchases:** none


### GRDelay

[App page](https://appshunter.io/ios/app/grdelay/id6757957948)

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.

**Highlights:** Granular synthesis-based delay, Up to 16 stereo grains, Randomized grain shape and delay time, Pitch-shifting and cascading grains, Standalone and AUv3 compatible

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Sequencer free?

Quantum Sequencer costs $7.99, with no in-app purchases.

### Is GRDelay free?

GRDelay costs $1.99, with no in-app purchases.

### Which has better reviews, Quantum Sequencer or GRDelay?

GRDelay is rated higher. Quantum Sequencer averages 4.6 out of 5 from 35 ratings, while GRDelay averages 5.0 from 3 ratings.

### Do Quantum Sequencer or GRDelay have ads?

Neither Quantum Sequencer nor GRDelay shows ads.

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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.*