Best Music Key Detector Apps

3.9😐(87 ratings)

Free

Auto-Key | Music key detection screenshot 1

Auto-Key | Music key detection screenshot 2

Auto-Key | Music key detection screenshot 3

Auto-Key | Music key detection screenshot 4

Auto-Key | Music key detection screenshot 5

Auto-Key | Music key detection screenshot 6

Instantly identify the musical key and scale of any audio source, from studio tracks to live instruments and vocals. Seamlessly sync detected keys with your computer's Digital Audio Workstation (DAW) for enhanced music production.

What We Love

👍 Accurate key detection (most of the time)
👍 Useful for learning songs
👍 Handy keyboard display for novice players
👍 Free to use (initially)
👍 Good for vocal production
👍 Integrates with Auto-Tune
👍 Simple and functional
👍 Scales feature is a great addition
👍 Works as advertised
👍 "The Gold Standard. Fast & No Frills."
👍 "Great app for making music !!!!"
👍 "Super helpful product, great job"
👍 "Excellent utility"
👍 "Tut was es soll" (Works as it should)
👍 "Parfait" (Perfect)
👍 "Klappt immer" (Always works)
👍 "Eine sehr gute App" (A very good app)
👍 "Great App."
👍 "Works as advertised."
👍 "Solid, User Friendly Key Detection App"
👍 "Amazing tool, much needed"

Room to Improve

🐛 Inconsistent key detection
🐛 Often gives wrong keys
🐛 Slow performance
🐛 Requires account creation after a few uses
🐛 Privacy concerns with data sharing
🐛 Account creation issues (buggy, can't access)
🐛 Low volume for built-in keyboard
🐛 Not recognizing modes other than major/minor
🐛 App becomes unusable without account
🐛 "Wrong Keys"
🐛 "No good results"
🐛 "Doesn’t work"
🐛 "So many questions"
🐛 "Was great, now not"
🐛 "Didn’t work for me"
🐛 "Waste of your time"
🐛 "Seems pretty handy for picking harmonica keys"
🐛 "What for?"
🐛 "Sign in to use"
🐛 "数回で" (Stopped working after a few times)
🐛 "Privacy thief"
🐛 "Truño" (Junk)
🐛 "Stinks"
🐛 "Em…"
🐛 "Works great, until…"
🐛 "This would be great if…"
🐛 "Does not work"
🐛 "Inconsistent key selection"
🐛 "The volume"
🐛 "Joke app"
🐛 "Seems random"
🐛 "I’m. It sure if it works because the piano scale volume is too low :/".
🐛 "Nothing to do"
🐛 "Requires login, does not support Sign in with Apple"
🐛 "About Auto-key"
🐛 "Not accurate at all unfortunately!"
🐛 "Not always right"
🐛 "Unusable"
🐛 "Da vergeht ein der Spaß" (The fun disappears with your subscription)
🐛 "The Redface" (Really good for key detection but…)
🐛 "heyhoob" (The volume)

Song Key Finder by nCore App Services

Find the key of music

Strong Contender

2.8(106 ratings)

FreeAdsIn-App Purchases

Identify the musical key of songs through microphone analysis, local audio files, or manual chord input. Results can be saved for later reference, and the app supports songs that change key mid-way.

KeyFinder by Scoreless Music

Worth Considering

Shazam: Find Music & Concerts

2.7(322 ratings)

Free

Identify the musical key of any song you're listening to. Use the integrated piano to play along and confirm notes, helping the app pinpoint the correct key. Explore music theory and learn to play songs in different keys.

More Music Key Detector apps to explore

Identify Songs, Live Shows

Instant music identificationConcert discoveryOffline song recognition

Instantly identify music playing around you or in other apps. Discover nearby concerts, lyrics, and videos. Access your music history and get personalized recommendations.

TuneIQ -Video Music Detector

(8.8M)

free

Frequency Detector Tool

Find the musical key of any Hz

Frequency to musical note conversionCents sharp/flat indicationIn-key analysis for selected keys

Instantly analyze musical keys from any frequency in Hertz. It displays the corresponding musical note, cents deviation, and whether it's in key with your selected musical scale. Features vocal context notes and a full frequency chart for EQ guidance.

This utility app accurately detects musical pitches and intervals, aiding in instrument tuning, vocal practice, and musical instrument production and maintenance. It offers high precision, supporting various temperaments and instrument types.

High detection accuracy (0.1 cents)Full range automatic pitch recognitionSupports various music temperaments

🔧 Utilities

(0)

free with in-app purchases

Song Key Finder 2

Find the key of music

Key Finder - Analyze any scale

📚 Education

(0)

Detect a track’s key in 1s

$6.99

Instantly detect the musical key of your audio files with this offline utility. It analyzes tracks locally, offering results in various formats and allowing you to save key data to file tags. Organize your music library by key with fast, accurate harmonic analysis.

Fast audio analysisMultiple key formatsBatch processing

(3)

Song Identifier Music Finder

Music Recognition, Song Finder

Instant song identificationHumming and singing recognitionExplore similar songs and artists

Identify songs you hear with instant recognition, even from humming or singing. Explore similar music and artists, and share your discoveries. Integrates with voice assistants for a seamless experience.

free with in-app purchases

(56)

Chord Detector

Realtime chord tracker

$1.99

This real-time music recognition app uses your device's microphone to identify chords and individual notes. It displays detected chords prominently and offers an experimental MIDI recording feature for solo instruments.

Real-time chord detectionDisplays individual music tonesExperimental MIDI recording

(3)

SongPulse: BPM & Key Finder

Detect BPM, Key & Camelot

Nonstop Music Head-Up Display

Musicana - Organizer & Player

(0)

Discover New Music

Real-time key detectionSupports any song or melodyAdvanced pitch algorithms

Explore trending music, search for your favorite tracks, and organize them into a personal library. Create and share custom playlists with friends, all while enjoying customizable light or dark themes.

Detect any musical key

$4.99

Identify the musical key of any song or melody by simply playing it into your device. This tool utilizes advanced algorithms to deliver accurate results, making it ideal for musicians, DJs, and transcribers.

(5)

Simple BPM Detector - Detect Beat Per Minute Tempo for Songs

by Jian Yih Lee

Detect song tempoFind beat per minuteWorks with music library

Easily determine the beat per minute (BPM) for any song in your music library. This utility app provides a straightforward way to find the tempo of your tracks.

🔧 Utilities

(30)

free

Anytune: Transcribe & Practice

Music Speed & Pitch Changer

Adjust tempo without affecting pitchAdjust pitch of musicRepeat song sections with marks

This app helps musicians learn, practice, and teach music by allowing them to adjust tempo and pitch, repeat sections, and analyze their performance. It offers tools to make practicing songs easier and more efficient.

free with in-app purchases

(8.5K)

BlueKeyDetect

Recording note scale detection

$0.99

Instantly identify the musical key and tempo of songs by recording short audio clips. Ideal for musicians in jam sessions needing quick key information.

Record audio clipsDetect musical keyDisplay beats per minute (BPM)

(1)

Auto BPM: Music Tempo Finder

Song beat counter

Automatic BPM detectionReal-time tempo calculationPrecise audio analysis

This app automatically detects the tempo of any song by listening through your device's microphone. It provides real-time BPM calculations for DJs, musicians, dancers, and fitness enthusiasts. Easily identify music tempo for playlists, dance practice, or general curiosity.