# BLEASS Flanger vs GSDSP Quantum Delay

The clearest difference is price: BLEASS Flanger at $6.99 against GSDSP Quantum Delay's $14.99. BLEASS Flanger also leads on rating (5.0 vs 4.8). GSDSP Quantum Delay's advantage is update cadence (every 5 weeks vs every 31 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

BLEASS Flanger costs $6.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BLEASS Flanger holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 13 and 17 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

BLEASS Flanger ships an update every 31 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on August 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BLEASS Flanger | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$6.99** | $14.99 |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/bleass-flanger/id1523985379/reviews)** | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | 13 | **17** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 27 MB | 94 MB |
| Requires iOS | **11.0** | 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 Flanger

[App page](https://appshunter.io/ios/app/bleass-flanger/id1523985379)

This audio effect app provides a modern take on classic flanging, offering flexible modulation sources, an envelope generator, and beat synchronization. It allows for complex and evolving timbral movement within your sound, with intuitive controls and efficient CPU usage.

**Highlights:** Flexible LFOs, Envelope generator, Beat synchronization, Variable modulation routing, Multi-mode input filter, Stereo width control

**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 Flanger free?

BLEASS Flanger costs $6.99, 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 Flanger or GSDSP Quantum Delay?

BLEASS Flanger is rated higher. BLEASS Flanger averages 5.0 out of 5 from 13 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

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

Neither BLEASS Flanger nor GSDSP Quantum Delay shows ads.

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

BLEASS Flanger ships an update every 31 months, and GSDSP Quantum Delay every 5 weeks. Most recently, BLEASS Flanger was updated on August 24, 2026 and GSDSP Quantum Delay on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*