Best Music Scales And Keys Apps

250+ iOS apps curated and reviewed

3.8 avg rating
17 free apps
Updated November 2026

Out of 250+ music scales and keys apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Music Scales And Keys Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TONALY: Songs, Scales & TheoryTONALY: Songs, Scales & TheoryFree4.8★ (6.4K)NoYesNov 2026
2Scales Pro: Circle of FifthsScales Pro: Circle of FifthsFree4.5★ (289)YesYesOct 2026
3Circle of FifthsCircle of FifthsFree4.9★ (233)NoNoOct 2026
4Piano Chords and ScalesPiano Chords and ScalesFree4.8★ (9.3K)NoYesNov 2026
5Guitar Scales PowerGuitar Scales PowerFree4.7★ (78)YesNoOct 2026
6Piano Companion: chords,scalesPiano Companion: chords,scalesFree4.8★ (1.3K)NoYesNov 2026
7MyMusicTheory - Music TheoryMyMusicTheory - Music TheoryFree4.7★ (938)YesYesOct 2026
8Music Scales and KeysMusic Scales and Keys$0.993.4★ (5)NoNoOct 2026

Top Picks for Music Scales And Keys

TONALY: Songs, Scales & Theory#1

TONALY: Songs, Scales & Theory by Christian Hengst Daniels

Chord Progressions & Practice
Editor's Choice
🎵 Music
4.8😊(6.4K ratings)
FreeIn-App Purchases
TONALY: Songs, Scales & Theory screenshot 1
TONALY: Songs, Scales & Theory screenshot 2
TONALY: Songs, Scales & Theory screenshot 3
TONALY: Songs, Scales & Theory screenshot 4
TONALY: Songs, Scales & Theory screenshot 5
TONALY: Songs, Scales & Theory screenshot 6

This app helps musicians of all levels write songs, find chords, and learn music theory. It offers tools for chord and scale practice, MIDI and PDF export, and collaboration features for songwriters and producers.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Helpful for learning music theory
  • 💡 Useful for songwriting and composing
  • 👍 Clean and visually appealing design
  • 🚀 Convenient for on-the-go music creation

Room to Improve

  • 🔒 Paywall for additional scales and features
  • 🐛 Occasional glitches and crashes
  • 🔒 Limited chord and rhythm customization options
  • 🔒 No ability to change chord voicings or inversions
  • 🔒 Inability to change key or time signature within a song
Scales Pro: Circle of Fifths#2

Scales Pro: Circle of Fifths by Olric Digital

Chords, Scales & Metronome
Strong Contender
🎵 Music
4.5😐(289 ratings)
FreeAdsIn-App Purchases
Scales Pro: Circle of Fifths screenshot 1
Scales Pro: Circle of Fifths screenshot 2
Scales Pro: Circle of Fifths screenshot 3
Scales Pro: Circle of Fifths screenshot 4
Scales Pro: Circle of Fifths screenshot 5

Learn music theory with an interactive Circle of Fifths, chord charts, and scale diagrams. Includes a metronome and visual aids for guitar, bass, and piano. Ideal for musicians of all levels.

What We Love

  • 👍 Clear and helpful interface
  • 👍 Great for writing music
  • 👍 Good for understanding chord progressions
  • 👍 Developer responsiveness noted
  • 👍 Clean design appreciated
  • 👍 No ads mentioned in one review
  • 👍 Pro version offered as a deal
  • 👍 Good teaching tool for beginners
  • 👍 Notes are played when touched

Room to Improve

  • 😞 Subscription model locks features
  • 😞 Piano view is limited compared to guitar
  • 😞 Limited chord options for piano
  • 😞 App is only for beginners
  • 😞 Circle of fifths not fully utilized
  • 😞 Musically incorrect note names
  • 😞 Keyboard display is off
  • 😞 Excessive and intrusive ads
  • 😞 Unusable on iPad/crashes
Circle of Fifths#3

Circle of Fifths by Josh Liebe (Pty) Ltd

Make better music now
Worth Considering
🎵 Music
4.9😊(233 ratings)
Free
Circle of Fifths screenshot 1
Circle of Fifths screenshot 2
Circle of Fifths screenshot 3
Circle of Fifths screenshot 4

Explore music theory with a visual representation of the 12 keys. Understand scales, compose chord progressions, and mix in key. Features color-coded relationships, key signatures, and sounded chords for each key.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and effective
  • 🎨 Great visual representation
  • 🔊 Helpful audio feedback
  • 💰 Free and no ads

Room to Improve

  • 🔧 Lacks some advanced features
  • 🔀 Difficulty toggling between chord and arpeggio modes
  • 🔇 Limited sound options

More Music Scales And Keys apps to explore

FAQ about Music Scales And Keys

What are the best music scales and keys apps for iPhone?
TONALY: Songs, Scales & Theory tops our music scales and keys apps ranking as of November 2026, with a 4.8-star average from 6.4K App Store ratings, and it's free to download.
Yes — 17 of the top music scales and keys apps we rank are free to download, including TONALY: Songs, Scales & Theory and Scales Pro: Circle of Fifths.
TONALY: Songs, Scales & Theory has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ music scales and keys apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.