200+ iOS apps curated and reviewed
Looking for free song key changer apps? 20 of our 200+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (180) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (20) | No | No | Aug 2026 |
| 3 |  | Free | 4.7★ (27K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (8.4K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.6★ (1.9K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (30K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.7★ (1.1K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.5★ (56) | No | Yes | Aug 2026 |
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.
Easily adjust the musical key of your MP3 files to match your instrument or vocal range. This tool is ideal for musicians who want to play along to songs in a different key without affecting audio quality.
This app uses AI to separate vocals and instruments from any song, allowing musicians to create custom backing tracks. It also offers features like pitch and speed adjustment, chord detection, and lyric transcription.
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.
Adjust the pitch and tempo of songs from your media library. This music player allows you to easily modify playback speed and pitch using intuitive sliders. Explore your music collection in new ways by altering its characteristics.
This app offers a comprehensive suite of tools for editing and enhancing audio. Easily splice, mix, record, and manipulate audio with features like pitch shifting, reverb, and a 10-band equalizer. It also includes advanced functions like noise reduction and format conversion.
Easily adjust the playback speed and pitch of audio files. This app allows for vocal and instrument isolation, precise looping, and waveform editing. It's ideal for musicians, vocalists, and podcasters looking to practice, remix, or create backing tracks.
Easily change the pitch of music or videos on your device. Adjust key with a slider or precise cent values. View the transposed key by entering the original. Unlock advanced features with a Pro subscription for unlimited use.
Adjust the tempo and pitch of audio files in real-time without altering the other. Loop sections for practice, add effects, and save your modified tracks. This tool is ideal for musicians, students, and anyone looking to manipulate audio for learning or creative purposes.
This advanced audio player helps musicians learn, transcribe, and practice songs. Slow down passages, loop sections, or shift pitch to master tricky parts. Isolate instruments with EQ and export loops for practice anywhere.
This mobile recording studio and audio editor helps users sound professional with intuitive tools. It offers automatic pitch correction, background noise removal, and a variety of effects. Users can record vocals, process existing audio/video, and even extract vocals from songs.
This app allows musicians to slow down music, change pitch, and isolate instruments for easier transcription and practice. It features AI-powered stem separation, interactive waveforms, and customizable looping for focused learning.
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.
Access thousands of studio-quality backing tracks with synced chords and lyrics. Customize songs by adjusting tempo, key, and instruments. Record your practice sessions and manage playlists for seamless performance.
Transform your device into a mobile recording studio. Capture, edit, and enhance any sound with a wide array of microphones, multi-track recording, and professional audio effects. Perfect for musicians, podcasters, and content creators.
This app allows users to adjust the playback speed of audio tracks without altering the pitch. It's designed for practice, helping musicians, dancers, and language learners master specific sections of songs, routines, or dialogues. Users can import audio from various sources, loop sections, and even record their own audio.
Learn songs by ear without needing sheet music or tabs. This app analyzes your music to identify beats, chords, and key, allowing you to slow down playback, isolate instruments, and edit chord progressions to master any song.
Easily change the pitch of songs from your iTunes library. This app is perfect for performers needing to adjust music to their key or for anyone wanting to creatively alter their favorite tunes for fun. Simply select a song and use the slider to adjust the pitch.
Adjust the tempo, pitch, and add effects to your music. Slow down tracks for practice, change keys, and loop sections. Export your modified audio files easily.
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.