# GSDSP MagicDelay vs ChaosArp

The clearest difference is review sentiment: ChaosArp at 83% against GSDSP MagicDelay's 25%. ChaosArp also leads on price ($3.99 vs $29.99) and rating (4.9 vs 4.7). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

GSDSP MagicDelay costs $29.99 and ChaosArp $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChaosArp holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 14 and 9 respectively. Written reviews point the same way: 25% of GSDSP MagicDelay's written reviews are positive against 83% of ChaosArp's.

GSDSP MagicDelay ships an update every 5 weeks, ChaosArp every 2 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GSDSP MagicDelay | ChaosArp |
| --- | --- | --- |
| Price | $29.99 | **$3.99** |
| Rating | [4.7 (14 ratings)](https://appshunter.io/ios/app/gsdsp-magicdelay/id1642323015/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews)** |
| Number of ratings | **14** | 9 |
| Positive reviews | 25.0% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 72 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) |

## What reviewers say

### GSDSP MagicDelay

[App page](https://appshunter.io/ios/app/gsdsp-magicdelay/id1642323015)

This app offers a unique spectral delay effect with advanced control over thousands of parallel delays using a single curve. It allows for real-time modulation, tempo-syncing, and precise feedback management for expansive sonic exploration.

**Highlights:** Spectral delay with single curve control, Tempo-synced grids and free-flowing motion, Real-time curve modulation and morphing, dB/s feedback decay system, Built-in highpass and lowpass filters, Crossfeed for stereo image expansion, Feedback Over for values beyond 100%

**Features:** Vision Pro support

**In-app purchases:** none


### ChaosArp

[App page](https://appshunter.io/ios/app/chaosarp/id6497066359)

This music app generates complex and dynamic MIDI patterns using advanced algorithms. It offers a unique rhythm event feature and variance control for extensive customization, allowing users to create evolving musical sequences.

**Highlights:** Arpeggiator and step sequencer modes, Rhythm event feature with 13 algorithms, Pitch and rhythm variance control, Scale quantizer, Randomizable velocity and duration, 4 performance buttons

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP MagicDelay free?

GSDSP MagicDelay costs $29.99, with no in-app purchases.

### Is ChaosArp free?

ChaosArp costs $3.99, with no in-app purchases.

### Which has better reviews, GSDSP MagicDelay or ChaosArp?

ChaosArp is rated higher. GSDSP MagicDelay averages 4.7 out of 5 from 14 ratings, while ChaosArp averages 4.9 from 9 ratings.

### Do GSDSP MagicDelay or ChaosArp have ads?

Neither GSDSP MagicDelay nor ChaosArp shows ads.

### Which is updated more often, GSDSP MagicDelay or ChaosArp?

GSDSP MagicDelay ships an update every 5 weeks, and ChaosArp every 2 weeks. Most recently, GSDSP MagicDelay was updated on October 9, 2026 and ChaosArp on October 11, 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.*