# Harmonium Anywhere vs GSDSP Quantum Delay Lite

The clearest difference is price: GSDSP Quantum Delay Lite at Free against Harmonium Anywhere's $4.99. GSDSP Quantum Delay Lite also leads on rating (5.0 vs 4.5) and update cadence (every 6 weeks vs every 6 months). Harmonium Anywhere's advantage is ratings volume (465 vs 4) and iOS requirement (11.0 vs 13.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

GSDSP Quantum Delay Lite is free to download; Harmonium Anywhere costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSDSP Quantum Delay Lite holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Harmonium Anywhere has 465 ratings behind it against 4, so its average is the more settled of the two.

Harmonium Anywhere ships an update every 6 months, GSDSP Quantum Delay Lite every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Harmonium Anywhere | GSDSP Quantum Delay Lite |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.5 (465 ratings)](https://appshunter.io/ios/app/harmonium-anywhere/id1115016614/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568/reviews)** |
| Number of ratings | **465** | 4 |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 64 MB | 58 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ranjeet Singh Devgun](https://appshunter.io/developer/1115016613) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Harmonium Anywhere

[App page](https://appshunter.io/ios/app/harmonium-anywhere/id1115016614)

This app offers a realistic harmonium experience on your mobile device, perfect for practice or performance when a real instrument isn't available. It features high-quality sampled sounds, multiple octaves, and various notation systems.

**Highlights:** 3 octaves, Multi-touch keyboard, High-quality harmonium sound, Reference/Highlighter key, Scale changer, Multiple notation formats, Recording and playback

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Realistic harmonium sound
- 💡 Works offline
- 👍 Good for vocal practice
- 👍 Seamless integration with other apps

**What reviewers complain about**

- 🐛 App freezes when playing fast or chords
- 🐛 Keys get stuck
- 🐛 Multiple or irregular sounds
- 🐛 Crashes when switching apps
- 🐛 Tuning issues

**Reported bugs**

- App freezes and sound gets stuck
- Volume controller doesn't work with MIDI keyboards
- Issues with output and settings
- App crashes when trying to record

**Requested features**

- Add sustain/hold feature for notes
- Improve key responsiveness and sliding
- Add more octave range
- Provide customizable key size and layout
- Implement Bluetooth MIDI connectivity


### GSDSP Quantum Delay Lite

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568)

This audio effect plugin offers vintage-inspired stereo delay with deep modulation, flexible filtering, and creative timing options. It allows for precise control over echoes, from warm analog sounds to shimmering textures, and integrates an advanced modulation system for unique sound design.

**Highlights:** Vintage-inspired stereo delay, Deep modulation system, Flexible filtering, Creative timing controls, Precise feedback control, Crossfeed and Over-Feedback options

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Harmonium Anywhere free?

Harmonium Anywhere costs $4.99, with no in-app purchases.

### Is GSDSP Quantum Delay Lite free?

GSDSP Quantum Delay Lite is free to download, with no in-app purchases.

### Which has better reviews, Harmonium Anywhere or GSDSP Quantum Delay Lite?

GSDSP Quantum Delay Lite is rated higher. Harmonium Anywhere averages 4.5 out of 5 from 465 ratings, while GSDSP Quantum Delay Lite averages 5.0 from 4 ratings.

### Do Harmonium Anywhere or GSDSP Quantum Delay Lite have ads?

Neither Harmonium Anywhere nor GSDSP Quantum Delay Lite shows ads.

### Which is updated more often, Harmonium Anywhere or GSDSP Quantum Delay Lite?

Harmonium Anywhere ships an update every 6 months, and GSDSP Quantum Delay Lite every 6 weeks. Most recently, Harmonium Anywhere was updated on October 26, 2026 and GSDSP Quantum Delay Lite on October 25, 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.*