# Chord2Key — Toolkit for Music Harmony.

> Toolkit for Music Harmony. (iPhone/iPad app by Onur Arda Bodur.)

- Source: https://appshunter.io/ios/app/chord2key/id1614022087 (this page in markdown: same URL + `.md`)
- Developer: [Onur Arda Bodur](https://appshunter.io/developer/1613582543)
- Category: Music, Music, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.2 · 3 MB
- Languages: English
- Released: 2022-05-19
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/chord2key/id1614022087/reviews.md

## What is Chord2Key?

Chord2Key is here for any musician having trouble at using harmony. You can find any key of a song by just entering the name of the song or the chords. We are providing a full list of useful information regarding on chords and scales. Any Mode of a Major or Minor scale can be observed with diatonic chords. Some more custom features can also be found by just becoming a pro member of Chord2Key. Pro members can transpose any song by key note or entering chords. Become a Pro member and gain time by accessing our custom features for musicians. 

- Find key of a song by chords
- Find key of a song by Spotify
- Harmony Sheet
- Widgets

Pro
- Transpose via chords or key
- Modes of Major Scale, Harmonic Minor Scale and Melodic Minor Scale
- 2-5-1 and 2-sub5-1 chord progressions
- Guitar Chords

Music sheet icons created by Freepik - Flaticon

Terms Of Use
https://chord2key.herokuapp.com/terms_conditions

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Unlimited Access | $1.99 | per month |



## Version history (last 1 release)

### 1.0 — 2022-05-19

No release notes.

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## More apps by Onur Arda Bodur

- [Charades Cards: Beyond Words](https://appshunter.io/ios/app/charades-cards-beyond-words/id6743623174)

All apps by Onur Arda Bodur: https://appshunter.io/developer/1613582543

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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 2026-05-19.*