# ScaleForge vs StringKit

The clearest difference is in-app purchases: ScaleForge at none against StringKit's 1. ScaleForge also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. StringKit sells 1 one-off in-app purchase. ScaleForge asks for nothing beyond the download.

## The numbers

| Metric | ScaleForge | StringKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 20 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MICHAEL KARL TAYLOR](https://appshunter.io/developer/1877026250) | [Enrico Weinhold](https://appshunter.io/developer/1747097035) |

## What reviewers say

### ScaleForge

[App page](https://appshunter.io/ios/app/scaleforge-guitar-theory/id6759361292)

**Features:** macOS Compatibility

**In-app purchases:** none


### StringKit

[App page](https://appshunter.io/ios/app/stringkit/id6775164270)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support StringKit | $1.99 | one-time |


## Frequently asked questions

### Is ScaleForge free?

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

### Is StringKit free?

StringKit is free to download, with in-app purchases available.

### Do ScaleForge or StringKit have ads?

Neither ScaleForge nor StringKit 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.*