250+ iOS apps curated and reviewed
Looking for free music key detector apps? 17 of our 250+ tracked titles are free to download โ no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.9โ (87) | No | No | Jul 2026 |
| 2 |  | Free | 2.9โ (108) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 2.7โ (322) | No | No | May 2026 |
| 4 |  | Free | 4.9โ (8.8M) | No | No | Aug 2026 |
| 5 |  | Free | 2.0โ (30) | No | No | Jul 2026 |
| 6 |  | Free | 4.8โ (8.4K) | Yes | Yes | Aug 2026 |
| 7 |  | $6.99 | 4.3โ (3) | No | No | Aug 2026 |
| 8 |  | Free | 4.7โ (77K) | Yes | No | Aug 2026 |
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.
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.
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.
Instantly identify music playing around you or in other apps. Discover nearby concerts, lyrics, and videos. Access your music history and get personalized recommendations.
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.
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.
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.
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.
Identify songs playing around you with a simple tap or voice command. Discover new music, view lyrics in real-time, and build playlists with integrated music streaming services.
Instantly identify the musical key of any sound using your device's microphone. Ideal for DJs, musicians, and music students, it provides real-time harmonic analysis and supports both classic and harmonic notation.
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.
Instantly identify the musical key and tempo of songs by recording short audio clips. Ideal for musicians in jam sessions needing quick key information.
Create music on your mobile device with a comprehensive digital audio workstation. Features include a multi-track sequencer, studio-quality instruments, and real-time effects. Ideal for composers and aspiring musicians on the go.
Learn and play piano anytime, anywhere with a full 88-key virtual keyboard. Record your musical creations, save them, and share them with friends. Offers a metronome and adjustable keyboard size for a personalized experience.
Instantly identify music genres, BPM, key, mood, and energy with AI. Detect AI-generated music and test your music knowledge in a game show. Save your scan history and discover new tracks.
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.
This app uses machine learning to accurately identify piano keys played into your device's microphone. It can help with piano tuning, learning, and verifying correct notes. Save sequences of recognized chords and access support in 127 languages.