# 3D Synth vs GuitarChordFlow

The clearest difference is price: 3D Synth at Free against GuitarChordFlow's $0.99. GuitarChordFlow's advantage is iOS requirement (15.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

3D Synth is free to download; GuitarChordFlow costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 3D Synth | GuitarChordFlow |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 9 MB | 3 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Noy](https://appshunter.io/developer/1836778460) | [晓飞 沈](https://appshunter.io/developer/1888039228) |

## What reviewers say

### 3D Synth

[App page](https://appshunter.io/ios/app/3d-synth/id6751780412)

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

**In-app purchases:** none


### GuitarChordFlow

[App page](https://appshunter.io/ios/app/guitarchordflow-practice/id6761188980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Synth free?

3D Synth is free to download, with no in-app purchases.

### Is GuitarChordFlow free?

GuitarChordFlow costs $0.99, with no in-app purchases.

### Do 3D Synth or GuitarChordFlow have ads?

Neither 3D Synth nor GuitarChordFlow shows ads.

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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.*