# Schubert String Quartets vs 8180 Monster Tube

The clearest difference is price: Schubert String Quartets at $6.99 against 8180 Monster Tube's $19.99. 8180 Monster Tube's advantage is update cadence (every 10 months vs every 38 months) and ratings volume (13 vs 1). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Schubert String Quartets costs $6.99 and 8180 Monster Tube $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Schubert String Quartets against 4.9 for 8180 Monster Tube. That said, the two scores are not equally well evidenced: 8180 Monster Tube has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Schubert String Quartets ships an update every 38 months, 8180 Monster Tube every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Schubert String Quartets | 8180 Monster Tube |
| --- | --- | --- |
| Price | **$6.99** | $19.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/schubert-string-quartets/id888974275/reviews)** | [4.9 (13 ratings)](https://appshunter.io/ios/app/8180-monster-tube/id1513332627/reviews) |
| Number of ratings | 1 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 639 MB | 82 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zininworks Inc.](https://appshunter.io/developer/431572491) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### Schubert String Quartets

[App page](https://appshunter.io/ios/app/schubert-string-quartets/id888974275)

Experience classical music with synchronized sheet music that scrolls automatically. Enjoy high-quality recordings of complete string quartets, with features like background playback and adjustable speed.

**Highlights:** Synchronized auto-scrolling sheet music, Background playback, AirPrint support, Adjustable playback speed, Complete string quartets, High-quality recordings

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

**In-app purchases:** none


### 8180 Monster Tube

[App page](https://appshunter.io/ios/app/8180-monster-tube/id1513332627)

This app emulates a high-gain guitar amplifier, perfect for heavy rock and metal. It offers two distinct channels, virtual tube selection, and a complete recording chain emulation with a noise gate. It functions as a standalone app, AudioUnit v3, or Inter-App Audio effect.

**Highlights:** High-gain amplifier emulation, Rhythm and Lead channels, Virtual 12AX7 and 6L6GC/EL34 tubes, Recording chain emulation, Custom noise gate circuit, Standalone, AUv3, and IAA support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Schubert String Quartets free?

Schubert String Quartets costs $6.99, with no in-app purchases.

### Is 8180 Monster Tube free?

8180 Monster Tube costs $19.99, with no in-app purchases.

### Which has better reviews, Schubert String Quartets or 8180 Monster Tube?

Schubert String Quartets is rated higher. Schubert String Quartets averages 5.0 out of 5 from 1 ratings, while 8180 Monster Tube averages 4.9 from 13 ratings.

### Do Schubert String Quartets or 8180 Monster Tube have ads?

Neither Schubert String Quartets nor 8180 Monster Tube shows ads.

### Which is updated more often, Schubert String Quartets or 8180 Monster Tube?

Schubert String Quartets ships an update every 38 months, and 8180 Monster Tube every 10 months. Most recently, Schubert String Quartets was updated on November 1, 2026 and 8180 Monster Tube 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.*