# QUARK Play vs GCS Model 8 Mobile

The clearest difference is iOS requirement: GCS Model 8 Mobile at 12.0 against QUARK Play's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QUARK Play ships an update every 6 days, GCS Model 8 Mobile every 5 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | QUARK Play | GCS Model 8 Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (44 ratings)](https://appshunter.io/ios/app/gcs-model-8-mobile/id6784474862/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | — | Free |
| Size | 25 MB | 135 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AKP Recordings LLC](https://appshunter.io/developer/6780342675) | [will patterson](https://appshunter.io/developer/1850559835) |

## What reviewers say

### QUARK Play

[App page](https://appshunter.io/ios/app/quark-play/id6780347968)

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

**In-app purchases:** none


### GCS Model 8 Mobile

[App page](https://appshunter.io/ios/app/gcs-model-8-mobile/id6784474862)

This pocket-sized music production tool simulates analog tape recording with a realistic physics engine. It offers 8-track recording, built-in instruments, drum machines, and samplers for creative sound design on the go.

**Highlights:** 8-track recording with tape transport controls, Realistic analog tape physics simulation, Built-in synthesizers and drum machines, MPC-style pad sampler, Support for various tape formats, Bluetooth MIDI keyboard compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QUARK Play free?

QUARK Play is free to download, with no in-app purchases.

### Is GCS Model 8 Mobile free?

GCS Model 8 Mobile is free to download, with no in-app purchases.

### Do QUARK Play or GCS Model 8 Mobile have ads?

Neither QUARK Play nor GCS Model 8 Mobile shows ads.

### Which is updated more often, QUARK Play or GCS Model 8 Mobile?

QUARK Play ships an update every 6 days, and GCS Model 8 Mobile every 5 days. Most recently, QUARK Play was updated on October 28, 2026 and GCS Model 8 Mobile on October 28, 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.*