The Music Speed Changer app gives you full control over your audio, allowing you to independently adjust both the speed and pitch of your favorite tracks. Whether you're a musician looking to master a difficult passage or a podcast listener wanting to speed through content, this app delivers powerful tools in an intuitive interface.

Key Features

• Independent Pitch Shifting: Adjust the pitch up or down by up to 24 semitones, with support for fine-tuned fractional semitone changes. Customize the range directly in the app settings.
• Precision Time Stretching: Modify playback speed from as slow as 15% to as fast as 500% of the original tempo—ideal for adjusting BPM without affecting pitch.
• Combined Rate Adjustment: Easily change both speed and pitch together using a single control for quick adjustments.
• Professional Audio Engine: Built with high-quality time stretching and pitch shifting technology for studio-grade results.
• Formant Correction (Pro Feature): Achieve more natural vocal tones during pitch shifts. Available via in-app purchase or subscription.
• Advanced Music Looping: Slow down sections of a song and loop them for seamless practice. Capture perfect loops and navigate between measures effortlessly.
• Reverse Playback: Play audio backwards to uncover hidden messages or learn challenging parts inside out.
• Smart Playlist Management: Create and manage a queue of tracks from folders or albums, with the ability to add or remove songs on the fly.
• Visual Waveform Display: Navigate precisely through your audio with detailed waveform visuals.
• Customizable Equalizer: Fine-tune your sound with an 8-band graphic EQ, plus preamp and balance controls.
• BPM & Key Detection: Automatically analyze and display the BPM and musical key of any track.
• Marker System: Set bookmarks at key points in your audio for easy reference.
• Audio Effects Suite: Apply reverb, echo, flanger, or reduce vocals for karaoke-style playback.
• Track Separation: Isolate vocals, drums, bass, or other instruments within any song (requires 64-bit Android OS and 4 GB+ RAM).
• Nightcore & Fast Music Creation: Perfect for creating high-energy versions of your favorite tracks.
• Export Options: Save your modified audio as MP3, FLAC, or WAV files. Choose to export the entire track or just your custom loop section—ideal for ringtones.
• Clean Material Design UI: Enjoy a modern, user-friendly experience with optional light or dark themes.
• Built-in Audio Recorder: Record directly within the app for added convenience.
• Free to Use: All core features are completely free, with formant correction available via [ttpp].
• Instant Playback: No waiting—adjust speed and pitch in real-time without decoding delays.

What's New in Version 13.3.2-pl

Updated on September 26, 2024, the latest version introduces a new Recently Played playlist under the Library tab, making it easier than ever to access your most recent tracks.

Who is This App For?

Whether you're a dedicated musician, a language learner, an audiobook enthusiast, or simply someone who enjoys tweaking audio for fun, the Music Speed Changer offers everything you need to enhance your listening and learning experience. And with support for advanced features like stem isolation and formant correction, this app continues to be a top choice for audio manipulation on mobile devices.