# Philicorda vs GSDSP Quantum Delay

The clearest difference is update cadence: GSDSP Quantum Delay at every 5 weeks against Philicorda's every 10 months. GSDSP Quantum Delay also leads on ratings volume (17 vs 1) and iOS requirement (12.0 vs 15.0). Philicorda's advantage is price ($9.99 vs $14.99) and rating (5.0 vs 4.8). On ads, in-app purchases, monetization model and device support there is nothing between them.

Philicorda costs $9.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Philicorda holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GSDSP Quantum Delay has 17 ratings behind it against 1, so its average is the more settled of the two.

Philicorda ships an update every 10 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Philicorda | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/philicorda/id6468329039/reviews)** | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | 1 | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 33 MB | 94 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Philicorda

[App page](https://appshunter.io/ios/app/philicorda/id6468329039)

This app faithfully emulates a classic 1960s transistor organ, replicating its warm and clear tones. It includes vintage features like vibrato and spring reverb, plus modern additions such as overdrive and an envelope generator.

**Highlights:** Faithful emulation of 1960s Philicorda organ, Transistor-based sound replication, Vibrato circuit, Spring reverb, Overdrive effect, Envelope generator, AUv3 and Standalone support

**Features:** Vision Pro support

**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 Philicorda free?

Philicorda costs $9.99, 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, Philicorda or GSDSP Quantum Delay?

Philicorda is rated higher. Philicorda averages 5.0 out of 5 from 1 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

### Do Philicorda or GSDSP Quantum Delay have ads?

Neither Philicorda nor GSDSP Quantum Delay shows ads.

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

Philicorda ships an update every 10 months, and GSDSP Quantum Delay every 5 weeks. Most recently, Philicorda 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.*