# Beatly Pro vs GSDSP Quantum Delay

The clearest difference is price: Beatly Pro at $4.99 against GSDSP Quantum Delay's $14.99. Beatly Pro also leads on chart position (#180 vs unranked) and update cadence (every 2 weeks vs every 5 weeks). GSDSP Quantum Delay's advantage is in-app purchases (none vs 2) and rating (4.8 vs 4.5). On ratings volume, ads and device support there is nothing between them.

Beatly Pro costs $4.99 and GSDSP Quantum Delay $14.99 up front. Beatly Pro sells 2 one-off in-app purchases. GSDSP Quantum Delay asks for nothing beyond the download.

GSDSP Quantum Delay holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 37 and 17 respectively. Written reviews point the same way: 81% of Beatly Pro's written reviews are positive against 100% of GSDSP Quantum Delay's.

Beatly Pro ships an update every 2 weeks, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Beatly Pro | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$4.99** | $14.99 |
| Rating | [4.5 (37 ratings)](https://appshunter.io/ios/app/beatly-pro/id1550189157/reviews) | **[4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews)** |
| Number of ratings | **37** | 17 |
| Positive reviews | 81.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#180** | — |
| Size | 77 MB | 94 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Antonin Charvat](https://appshunter.io/developer/1540408049) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Beatly Pro

[App page](https://appshunter.io/ios/app/beatly-pro/id1550189157)

**Currently charting:** #180 Top Paid · Music (US App Store)

Generate unlimited original looped music in various genres. Features include a powerful piano roll, chord progression builder, and stem exporting. Ideal for creators needing unique soundtracks.

**Highlights:** Unlimited original looped music generation, Multiple genre styles (rap, lo-fi, chiptune, cinematic, dance), Advanced piano roll with undo and pattern editor, Chord progression builder, Export to MIDI and render stems, Sample recorder and import, Audiobus and Ableton Link sync support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $1.99 | one-time |
| Large tip | $3.99 | one-time |


### 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 Beatly Pro free?

Beatly Pro costs $4.99, and also offers in-app purchases.

### Is GSDSP Quantum Delay free?

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

### Which has better reviews, Beatly Pro or GSDSP Quantum Delay?

GSDSP Quantum Delay is rated higher. Beatly Pro averages 4.5 out of 5 from 37 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

### Do Beatly Pro or GSDSP Quantum Delay have ads?

Neither Beatly Pro nor GSDSP Quantum Delay shows ads.

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

Beatly Pro ships an update every 2 weeks, and GSDSP Quantum Delay every 5 weeks. Most recently, Beatly Pro was updated on September 19, 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.*