# Guitar Note Cards vs Synth Brain

The clearest difference is price: Guitar Note Cards at Free against Synth Brain's $14.99. Guitar Note Cards also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Guitar Note Cards is free to download; Synth Brain costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Guitar Note Cards | Synth Brain |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 18 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SINQWELL](https://appshunter.io/developer/1650172806) | [Code and DESIGN inc.](https://appshunter.io/developer/1172903960) |

## What reviewers say

### Guitar Note Cards

[App page](https://appshunter.io/ios/app/guitar-note-cards/id6443872135)

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

**In-app purchases:** none


### Synth Brain

[App page](https://appshunter.io/ios/app/synth-brain-learn-synthesis/id6799208817)

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

**In-app purchases:** none


## Frequently asked questions

### Is Guitar Note Cards free?

Guitar Note Cards is free to download, with no in-app purchases.

### Is Synth Brain free?

Synth Brain costs $14.99, with no in-app purchases.

### Do Guitar Note Cards or Synth Brain have ads?

Neither Guitar Note Cards nor Synth Brain 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.*