# Pro vs GCS Model 8 Mobile

The clearest difference is price: GCS Model 8 Mobile at Free against Pro's $7.99. GCS Model 8 Mobile also leads on iOS requirement (12.0 vs 14.4). Pro's advantage is chart position (#167 vs unranked). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

GCS Model 8 Mobile is free to download; Pro costs $7.99 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 — 4.8 for Pro against 4.8 for GCS Model 8 Mobile. Both are backed by a comparable volume of ratings — 82 and 44 respectively. Written reviews are what separate them: 96% of Pro's written reviews are positive against 100% of GCS Model 8 Mobile's.

Pro ships an update every 4 days, GCS Model 8 Mobile every 5 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Pro | GCS Model 8 Mobile |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.8 (82 ratings)](https://appshunter.io/ios/app/pro-a5-synth-plus-auv3/id6764386977/reviews) | **[4.8 (44 ratings)](https://appshunter.io/ios/app/gcs-model-8-mobile/id6784474862/reviews)** |
| Number of ratings | **82** | 44 |
| Positive reviews | 95.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Paid | **Free** |
| Best chart rank | **#167** | — |
| Size | 64 MB | 135 MB |
| Requires iOS | 14.4 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioKit Pro](https://appshunter.io/developer/1307785645) | [will patterson](https://appshunter.io/developer/1850559835) |

## What reviewers say

### Pro

[App page](https://appshunter.io/ios/app/pro-a5-synth-plus-auv3/id6764386977)

**Currently charting:** #167 Top Paid · Music (US App Store)

This app emulates the sound of an iconic analog poly synthesizer, offering a wide range of sonic possibilities from warm pads to soaring leads. It features advanced modeling, multiple filter styles, and extensive customization options for musicians.

**Highlights:** 10-voice polyphonic analog synth emulation, Authentic Poly-Mod and filter modeling, Dual filter styles: Classic Stepped and Modern Smooth, Extensive preset library with 600+ sounds, Microtonality panel with 150 curated scales, AUv3 plugin support for DAWs, Vintage-style step sequencer and arpeggiator

**Features:** 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 Pro free?

Pro costs $7.99, with no in-app purchases.

### Is GCS Model 8 Mobile free?

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

### Which has better reviews, Pro or GCS Model 8 Mobile?

GCS Model 8 Mobile is rated higher. Pro averages 4.8 out of 5 from 82 ratings, while GCS Model 8 Mobile averages 4.8 from 44 ratings.

### Do Pro or GCS Model 8 Mobile have ads?

Neither Pro nor GCS Model 8 Mobile shows ads.

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

Pro ships an update every 4 days, and GCS Model 8 Mobile every 5 days. Most recently, Pro was updated on October 29, 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.*