# BLEASS Arpeggiator vs GSDSP Quantum Delay

BLEASS Arpeggiator and GSDSP Quantum Delay both sit at 4.8 stars, but that hides the real split: 100% of GSDSP Quantum Delay's written reviews are positive against 75% of BLEASS Arpeggiator's. GSDSP Quantum Delay also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (12.0 vs 15.6). BLEASS Arpeggiator's advantage is ratings volume (54 vs 17). On price, rating, ads and in-app purchases there is nothing between them.

BLEASS Arpeggiator costs $14.99 and GSDSP Quantum Delay $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 BLEASS Arpeggiator against 4.8 for GSDSP Quantum Delay. Both are backed by a comparable volume of ratings — 54 and 17 respectively. Written reviews are what separate them: 75% of BLEASS Arpeggiator's written reviews are positive against 100% of GSDSP Quantum Delay's.

BLEASS Arpeggiator ships an update every 6 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BLEASS Arpeggiator | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [4.8 (54 ratings)](https://appshunter.io/ios/app/bleass-arpeggiator/id6464041408/reviews) | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | **54** | 17 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 20 MB | 94 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BLEASS](https://appshunter.io/developer/1220444177) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### BLEASS Arpeggiator

[App page](https://appshunter.io/ios/app/bleass-arpeggiator/id6464041408)

This app offers advanced arpeggiation capabilities for musicians, going beyond traditional patterns with polyrhythms and polyphony. Its intuitive interface encourages on-the-fly experimentation, enhanced by performance controllers, LFOs, and a motion sequencer. It also includes a built-in FM synth for sound generation or can be used with other instruments.

**Highlights:** Advanced arpeggiation patterns, Polyphony and polyrhythms, Hands-on creative interface, XY pads and LFOs, Motion Sequencer, Built-in FM synth, MIDI output for external synths

**In-app purchases:** none


### GSDSP Quantum Delay

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297)

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.

**Highlights:** 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)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BLEASS Arpeggiator free?

BLEASS Arpeggiator costs $14.99, with no in-app purchases.

### Is GSDSP Quantum Delay free?

GSDSP Quantum Delay costs $14.99, with no in-app purchases.

### Which has better reviews, BLEASS Arpeggiator or GSDSP Quantum Delay?

BLEASS Arpeggiator and GSDSP Quantum Delay are both rated 4.8 out of 5 on the App Store, from 54 and 17 ratings respectively.

### Do BLEASS Arpeggiator or GSDSP Quantum Delay have ads?

Neither BLEASS Arpeggiator nor GSDSP Quantum Delay shows ads.

### Which is updated more often, BLEASS Arpeggiator or GSDSP Quantum Delay?

BLEASS Arpeggiator ships an update every 6 months, and GSDSP Quantum Delay every 5 weeks. Most recently, BLEASS Arpeggiator was updated on September 20, 2026 and GSDSP Quantum Delay on September 22, 2026.

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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.*