# MolliLooper vs GSDSP Quantum Delay

The clearest difference is price: MolliLooper at $8.99 against GSDSP Quantum Delay's $14.99. MolliLooper also leads on iOS requirement (11 vs 13.0). GSDSP Quantum Delay's advantage is review sentiment (100% vs 82%). On rating, ratings volume, update cadence and ads there is nothing between them.

MolliLooper costs $8.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MolliLooper 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 complicate that: 82% of MolliLooper's written reviews are positive against 100% of GSDSP Quantum Delay's, so the app with the better star average is not the one people write more warmly about.

MolliLooper ships an update every 2 months, GSDSP Quantum Delay every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | MolliLooper | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$8.99** | $14.99 |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/mollilooper/id1622063262/reviews)** | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | 13 | **17** |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 9 MB | 94 MB |
| Requires iOS | **11** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Greschke (DE)](https://appshunter.io/developer/505848000) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### MolliLooper

[App page](https://appshunter.io/ios/app/mollilooper/id1622063262)

This real-time stereo effect app allows for instant looping and filtering of audio. Designed for live performance, it continuously records input for immediate playback and offers adjustable loop timing synced to a host clock. It also features a resonant filter and stutter/freeze capabilities.

**Highlights:** Real-time stereo looping, Instant recording/looping, Host clock sync, Adjustable loop timing, Lowpass/highpass resonant filter, Stutter/freeze effect, AUv3 plugin 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 MolliLooper free?

MolliLooper costs $8.99, 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, MolliLooper or GSDSP Quantum Delay?

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

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

Neither MolliLooper nor GSDSP Quantum Delay shows ads.

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

MolliLooper ships an update every 2 months, and GSDSP Quantum Delay every 6 weeks. Most recently, MolliLooper was updated on November 3, 2026 and GSDSP Quantum Delay on November 3, 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.*