# Frets 2 Keys — Guitar & piano reference tool

> Musical reference tool for guitar and piano chord and key translation. (iPhone/iPad app by Catalyst4.)

- Source: https://appshunter.io/ios/app/frets-2-keys/id1523239978 (this page in markdown: same URL + `.md`)
- Developer: [Catalyst4](https://appshunter.io/developer/294937584)
- Category: Music, Reference
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: American English
- Released: 2020-10-11
- Data updated: 2026-08-31
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/frets-2-keys/id1523239978/reviews.md

## What is Frets 2 Keys?

Frets 2 Keys is a musical reference tool to help translate notes, chords and keys between guitar and piano. Musicians can learn about the 12 major keys, the different chords within them and how they are represented on both piano and guitar. Guitar players can change tunings, and apply a capo to understand what notes they’re playing on their instrument.

Available on iPhone, iPad and Mac.

## Key features

- Translate notes, chords, and keys
- Learn 12 major keys and their chords
- See chord representation on piano and guitar
- Adjust guitar tunings
- Apply capo effects

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/frets-2-keys/id1523239978/reviews.md

### 5/5 — Amazing / intuative

*2025-09-30*

Such a great tool just wow

### 3/5 — Doesn’t work

*2024-03-31*

I can’t to open app. Crashes. iPad pro 1st gen (2018) iOS 17.4.1

### 1/5 — MacBook m1

*2023-02-27*

Not working

### 1/5 — No longer works on iOS or Mac

*2022-11-25*

No longer works on iOS or Mac

### 1/5 — Does NOT work on Ventura Silicon

*2022-11-25*

It works great on my old Intel Mac

### 5/5 — Cool Tool!

*2020-10-12*

Super clean use interface that makes composing on guitar an absolute pleasure.

## Frequently asked questions about Frets 2 Keys

### What instruments does Frets 2 Keys support?

Frets 2 Keys supports the translation of musical information between guitar and piano. It helps users understand how notes and chords are represented on both instruments.

### Can I learn about different keys with Frets 2 Keys?

Yes, Frets 2 Keys allows musicians to learn about the 12 major keys, including the different chords found within each key and their visual representation on both piano and guitar.

### How does Frets 2 Keys help guitarists specifically?

Guitar players can use Frets 2 Keys to change their instrument's tuning and apply a capo. This feature helps them understand the specific notes they are playing on their guitar.

### What devices is Frets 2 Keys available on?

Frets 2 Keys is available on iPhone, iPad, and Mac devices. It is also compatible with iPod.

### What is the age rating for Frets 2 Keys?

Frets 2 Keys has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger learners.

### Does Frets 2 Keys have ads?

No, Frets 2 Keys does not contain advertisements. Users can enjoy the app without any interruptions from ads.

### When was Frets 2 Keys last updated?

Frets 2 Keys was last updated on October 11, 2020, with version 1.0. The app was initially released on the same date.

### What is the user rating for Frets 2 Keys?

Frets 2 Keys has a rating of 1.0 stars based on 1 rating. This indicates a very limited amount of user feedback available.

## Version history (last 1 release)

### 1.0 — 2020-10-11

No release notes.

## Apps similar to Frets 2 Keys

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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## More apps by Catalyst4

- [Sun n Moon](https://appshunter.io/ios/app/sun-n-moon/id294937581)
- [Sun n Moon for iPad](https://appshunter.io/ios/app/sun-n-moon-for-ipad/id366903461)
- [Coach Pro](https://appshunter.io/ios/app/coach-pro/id484985911)
- [Coach Pro Lite](https://appshunter.io/ios/app/coach-pro-lite/id501498661)

All apps by Catalyst4: https://appshunter.io/developer/294937584

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*