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Music Transpose - Key Changer

Music Transpose - Key Changer

Change the key of the song

150 ratings
35 reviews
🔧 Utilities
🎵 Music
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 26, 2022
  • April 3, 2026

Developer

同宝 金
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🧾$24.99
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About

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.

✓Supports common audio/video formats
✓Pitch adjustment with visual feedback
✓Fine-tune pitch in half-tone steps
✓Independent speed and pitch adjustment
✓Export in multiple formats
✓User-friendly interface
Show original description

What's New in Music Transpose

4.4.15

April 3, 2026

1. Fixed export issue on iOS 26 2. Other bug fixes

3

In-App Purchases

$24.99

Pro - One-Time Purchase

Unlock all Pro features with a one-time purchase.

User reviews

Most RecentHighest RatedLowest Rated

小白都能用转调

特别好用，有没有安卓系统的吗？
笨劳工笨劳工

Response from developer

谢谢，暂没有android的，不过有mac OS版本的

Music Transpose - Key Changer

While I am out of the app, the music stops.
Alhaji772Alhaji772

Doesn’t Work

I paid for the full app and it won’t open anything. The demo song works fine but nothing else imports into the app.
Sc2532000Sc2532000

Response from developer

Hi, sorry for the issue! To restore your purchase: Use the same Apple ID as your original purchase. Reinstall the app and try "Restore Purchase". Re-purchasing is safe (no extra charge). Email yueyin.music@foxmail.com if it persists.

.

키가 이상하거나 하지는 않는데 영상 길이 제한이 있는지 몇번했는데 다 중간에 끊긴거로만 추출돼요 제대로 사용을 못하겠어요 영상마다 길이도 다 다르게 끊겨서 끊기는 기준을 모르겠네요
안좋은거만리뷰씀안좋은거만리뷰씀

挺好用，目前bug是文件不能重命名

这一点需改进
yep ！biubiu！yep ！biubiu！

Response from developer

收到，谢谢反馈，后续版本改进.

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FAQ

What does the Music Transpose app do?

The Music Transpose app allows you to easily change the musical key and adjust the playback speed of songs. It supports a wide range of audio and video file formats, making it versatile for various music learning and practice needs. The app provides visual cues to help you understand the impact of pitch changes on sound quality.

What are the key features of this app?

Key features include support for common audio and video formats, pitch adjustment with color-coded feedback on sound quality, fine-tuning pitch in half-tone increments, and independent speed adjustment displayed with BPM. You can also export your modified files in multiple formats.

How much does the Music Transpose app cost?

The app is a one-time purchase and grants you lifetime access without any additional charges. It operates locally on your device, meaning it does not rely on cloud functionality and will remain available even without an internet connection. A trial version is available with limitations on file length for preview and export.

How do I import files into the app?

You can import files by using the share function from other common apps directly to Music Transpose. Alternatively, you can use AirDrop to send audio or video files from Apple computers or iOS devices to the app. If a file is reported as invalid, ensure it's not damaged or try converting it to a more common format first.

What if I encounter issues with file processing?

If the app indicates a file is invalid, it might be damaged or in an unsupported format; try converting it to a common format like MP3 or MP4. If the app stops working during processing, it's usually a file compatibility issue. Converting the file to a different format often resolves this. For persistent problems, you can contact the support email provided.