# Music Transpose: Key Changer — Changing the key of music > Adjust music pitch, speed, and tempo with support for multiple formats. (iPhone/iPad app by 同宝 金.) - Source: https://appshunter.io/ios/app/music-transpose-key-changer/id1618175513 (this page in markdown: same URL + `.md`) - Developer: [同宝 金](https://appshunter.io/developer/1513125037) - Category: Music, Utilities - Price: $24.99 - Rating: 5.00/5 from 6 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 14.0 · 36 MB - Languages: American English, Chinese (Simplified, China) - Released: 2022-04-19 - Data updated: 2026-08-23 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/music-transpose-key-changer/id1618175513/reviews.md ## What is Music Transpose? Music Transpose is a convenient app for adjusting the pitch(key), speed, and tempo of music. Features: 1. Supports common audio formats (mp3, m4a, wav, tiff, flac etc.) and video formats (mp4, mov, avi, mpg etc.). 2. Pitch adjustment displays the pitch range and supports color-coded prompts (green, orange and red indicate the impact on sound quality). 3. Supports fine-tuning of pitch in half-tone increments. 4. Speed adjustment is displayed as a multiple and also shows the tempo (BPM). 5. Pitch and speed adjustments are independent of each other. 6. Supports export in multiple formats. Why do you need Music Transpose ? In music education and practice, adjusting the pitch(key) and tempo of songs is often necessary. Professional software can be complex and inconvenient to use. Music Pitch and Speed Adjuster provides an easy-to-use solution to this problem. Purchasing Information: The app only requires a one-time purchase for lifelong access with no additional fees. The app is run locally and does not rely on cloud functionality, so you don't have to worry about it being unavailable due to network issues. Trial vs. Full Version: Aside from length limitations on audio preview and export, the trial version has the same features as the full version. File Import: The app provides instructions on how to import files from other apps. You can also use the sharing function in other apps or AirDrop to send audio or video files to Music Pitch and Speed Adjuster. Common Questions and Feedback: If the app indicates that a file is invalid, it's likely that the file is damaged or in an uncommon format. Try converting it to a more common format before importing. For additional questions, you can email yueyin.music@foxmail.com or consult the WeChat account allhealthyand. ## Key features - Adjust pitch, speed, and tempo - Supports common audio and video formats - Visual pitch range and sound quality indicators - Fine-tune pitch in half-tone increments - Independent pitch and speed adjustments - Export in multiple formats ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/music-transpose-key-changer/id1618175513/reviews.md ### 1/5 — 试用版不同正式版，且购买后苹果拒不退款，请大家注意避坑 *2025-02-07* 我买了这款软件，试用版和正式版本不同，试用版本有mp4格式，正式版本不存在mp4格式，另外，该商家还有另一款黑底白音符的软件，建议大家勿拍此软件，买了根本没法用。 我不小心买了两款，向商家和苹果维权希望把这款不能用的软件退款，然而商家和苹果坚决不给退款买错的这个软件，苹果客服在核实具体情况后，很强势的说不能退款，并未告知具体原因，严重的损害了消费者的权益。 还请大家务必避坑！！！ ### 4/5 — 怎样清除缓存？ *2024-02-22* 大量的文稿与数据无法清除，占用的空间越来越大。这款软件不升级了吗？又出了一款类似的。我买了你家三款软件了。 ### 3/5 — 无法导入音频文件。 *2023-01-30* 用各种方法都试过，无法导入文件一直报错，不知道是什么原因，因此无法正常使用该软件。软件已付费不能使用，很郁闷。 ### 4/5 — 文件打不开，一直转圈 *2022-09-05* . **Developer response:** update: 您好,如果您的文件名中有%、#@等这样的符号,建议去掉这些符号或者改一个简单的名称就可以了. 下个版本会优化这类问题,希望能帮助到您. ## Frequently asked questions about Music Transpose ### What is the price of Music Transpose? Music Transpose is available for a one-time purchase of $24.99, granting lifelong access without additional fees. ### Does Music Transpose have ads? No, Music Transpose is ad-free. The app is run locally and does not rely on cloud functionality or advertisements. ### What audio and video formats does Music Transpose support? It supports common audio formats like MP3, M4A, WAV, TIFF, and FLAC, as well as video formats including MP4, MOV, AVI, and MPG. ### How does Music Transpose indicate sound quality changes? The app displays the pitch range and uses color-coded prompts (green, orange, and red) to indicate the impact of pitch adjustments on sound quality. ### Can I adjust the pitch and speed independently in Music Transpose? Yes, the pitch and speed adjustments in Music Transpose are independent of each other, allowing for flexible manipulation of your music. ### What are the limitations of the trial version of Music Transpose? The trial version of Music Transpose has length limitations on audio preview and export, but otherwise offers the same features as the full version. ### How often is Music Transpose updated? The latest version, 4.1, was released on August 14, 2023. Updates are provided to ensure continued functionality and improvements. ### What devices is Music Transpose compatible with? Music Transpose is available for Mac, iPhone, and iPod, making it accessible across various Apple devices. ## Version history (last 5 releases) ### 4.1 — 2023-08-14 1. Add play/pause button in preview 2. Repair other known problems. ### 4.0 — 2023-06-15 1. Add pitch adjustment for fine-tuning; 2. Known issues resolved. ### 3.5 — 2023-05-15 1.UI optimization of lift page. 2. Other known problems solved. ### 3.2 — 2023-02-21 1. Optimize the tempo detection; 2. Solve other known problems; ### 2.8 — 2023-02-06 1. Other known bugs handling; ## Apps similar to Music Transpose | App | Rating | Price | Category | | --- | --- | --- | --- | | [Streemur](https://appshunter.io/ios/app/streemur/id1307609511) | 4.4 (16) | $2.99 | Music | | [Write Your Own Guitar Song](https://appshunter.io/ios/app/write-your-own-guitar-song/id6504115013) | 5.0 (1) | $0.99 | Music | | [Guitar Progression Generator](https://appshunter.io/ios/app/guitar-progression-generator/id6747004878) | — | Free | Music | | [UK-868](https://appshunter.io/ios/app/uk-868/id6581488836) | 5.0 (3) | $11.99 | Music | | [Tejano 386 Nation Radio](https://appshunter.io/ios/app/tejano-386-nation-radio/id6763958705) | 5.0 (2) | Free | Music | | [AI Vocal Remover - Audio Split](https://appshunter.io/ios/app/ai-vocal-remover-audio-split/id6752797989) | — | Free | Music | ## More apps by 同宝 金 - [Music Transpose - Key Changer](https://appshunter.io/ios/app/music-transpose-key-changer/id1620125472) - [Converter: Audio & Video](https://appshunter.io/ios/app/converter-audio-and-video/id1631254171) - [Music Backing Tracks](https://appshunter.io/ios/app/music-backing-tracks/id1644383334) - [PDF File Convert](https://appshunter.io/ios/app/pdf-file-convert/id1666147516) - [Guitar Backing](https://appshunter.io/ios/app/guitar-backing/id1669682488) All apps by 同宝 金: https://appshunter.io/developer/1513125037 ## Related topics [key change](https://appshunter.io/ios/topics/key-change) · [music transposer](https://appshunter.io/ios/topics/music-transposer) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*