# Open String Guitar Chords vs Arpeggio Forge

The clearest difference is price: Arpeggio Forge at Free against Open String Guitar Chords's $12.99. Arpeggio Forge also leads on update cadence (every 2 days vs every 7 months). Open String Guitar Chords's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Arpeggio Forge is free to download; Open String Guitar Chords costs $12.99 up front. Arpeggio Forge sells 1 one-off in-app purchase. Open String Guitar Chords asks for nothing beyond the download.

Open String Guitar Chords ships an update every 7 months, Arpeggio Forge every 2 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Open String Guitar Chords | Arpeggio Forge |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/open-string-guitar-chords/id969215522/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 34 MB | 11 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fonexsis](https://appshunter.io/developer/419001763) | [Hiroto Kashima](https://appshunter.io/developer/6789820790) |

## What reviewers say

### Open String Guitar Chords

[App page](https://appshunter.io/ios/app/open-string-guitar-chords/id969215522)

Explore a vast collection of open string guitar chords with multiple voicings and transposition options. This app provides instant playback, optimal fingerings, and scale degree information for musicians of all levels.

**Highlights:** 596 open string chords, Chord transposition with capo, Optimal fingerings provided, Instant chord playback, 3 guitar sound banks, Scale degree display

**Features:** macOS Compatibility

**In-app purchases:** none


### Arpeggio Forge

[App page](https://appshunter.io/ios/app/arpeggio-forge/id6789820788)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Open String Guitar Chords free?

Open String Guitar Chords costs $12.99, with no in-app purchases.

### Is Arpeggio Forge free?

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

### Do Open String Guitar Chords or Arpeggio Forge have ads?

Arpeggio Forge shows ads; Open String Guitar Chords does not.

### Which is updated more often, Open String Guitar Chords or Arpeggio Forge?

Open String Guitar Chords ships an update every 7 months, and Arpeggio Forge every 2 days. Most recently, Open String Guitar Chords was updated on October 9, 2026 and Arpeggio Forge on October 13, 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.*