249+ iOS apps curated and reviewed
Whether you're new to song key or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.9โ (87) | No | No | Jul 2026 |
| 2 |  | Free | โ | No | No | Jul 2026 |
| 3 |  | Free | โ | Yes | Yes | Aug 2026 |
| 4 |  | Free | 2.9โ (108) | Yes | Yes | Jul 2026 |
| 5 |  | Free was $9.99 | 4.8โ (6.3K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.6โ (5.9K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.5โ (10K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.7โ (7.8K) | 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.
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.
Instantly get chords, beats, and lyrics for any song from your audio files, streaming services, or microphone. This AI-powered tool helps musicians of all levels learn and improve their playing with advanced recognition and playback features.
This app is a game designed to enhance your auditory skills and help you achieve perfect pitch. It offers various modes and customization options to suit different learning levels, from beginner to expert. Track your progress visually and compete with friends.
Instantly identify music playing around you. Discover song titles, artists, and lyrics, and save your discoveries to a personal history. Connect to streaming services to build playlists and explore new music.
Enhance your aural skills and music theory knowledge with an interactive tool. Explore scales, chords, and melodies using the Circle of Fifths and an on-screen piano. Identify song keys by matching scales and chords to melodies.
Easily change the key and tempo of your music files. This app supports various audio and video formats, offering intuitive pitch and speed adjustments with visual feedback on sound quality. It's designed for musicians and learners seeking a user-friendly alternative to complex professional software.
Instantly find matching keys and chords for your melodies by humming. This app analyzes your recordings to suggest chord options, allowing you to view, listen, and edit progressions. It also provides guitar and piano fingerings, and lets you export audio and chord sheets.
Explore a unique musical instrument based on music theory principles. This app offers a trial version and a chord dictionary to help users learn and play chords with simple fingerings. It includes a tutorial and transposition features.
This app provides accurate chromatic tuning for a wide range of musical instruments using your device's microphone. It features a responsive needle meter, pitch pipe, and automatic calibration for precise tuning. An optional full version offers advanced features.
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.