# Audio Speed Changer Pro

> App to independently change audio speed and pitch during live playback. (iPhone/iPad app by Harald Meyer.)

- Source: https://appshunter.io/ios/app/audio-speed-changer-pro/id973371394 (this page in markdown: same URL + `.md`)
- Developer: [Harald Meyer](https://appshunter.io/developer/389514018)
- Category: Music, Music, Education
- Price: $4.99
- Rating: 3.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 55 MB
- Languages: English
- Released: 2015-03-11
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/audio-speed-changer-pro/id973371394/reviews.md

## What is Audio Speed Changer Pro?

Audio Speed Changer Pro changes the speed (tempo) and pitch (frequency) of audio independently during live playback. It is possible to set exact start and end positions, calculate custom pitch values (for instance for 432 Hertz music), zoom into the audio track, and playback playlists.

# Features
- Change speed (tempo) and pitch independently during live playback.
- Use custom (arbitrary) tempo and pitch values.
- Convert between different music frequencies using the pitch calculator (e.g. for 432Hz music).
- Export audio to iTunes file sharing, email, or to other apps using the "Open in" feature.
- Import audio from the iOS music gallery, iTunes file sharing, or from other apps using the "Open in" feature.
- Record audio (basic).
- Support for playlists.
- Set exact start and end positions for instrument training, transcription, language learning, etc.
- Zoom (pinch&zoom and double tap).
- Change the user interface size to fit your needs.
- Background playback when app goes to background.
- Support for voice reduction (works only for some type of voice recordings).
- Support to mute the left and right channel (e.g. for training duets).
- Volume amplification.

Please also take a look at the Audio Speed Changer Pro help: http://www.audiospeedchanger.com/help
Questions, ideas, feedback? Contact us here: http://www.audiospeedchanger.com/contact

## Key features

- Independent speed and pitch adjustment
- Custom tempo and pitch values
- Pitch calculator for frequency conversion
- Import/export audio files
- Playlist support
- Set start/end positions
- Zoom and UI scaling

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/audio-speed-changer-pro/id973371394/reviews.md

### 1/5 — Nothing pro about it. Waste of money

*2018-02-04, version 1.02*

Don’t buy this app - it doesn’t even have background play like it says. Making the UI bigger or smaller just looks goofy. The app still glitches and stops for no reasons just like its predecessor. Don’t waste that 5/6 dollars. Keep your loot.

## Frequently asked questions about Audio Speed Changer Pro

### What is Audio Speed Changer Pro?

Audio Speed Changer Pro is a paid application that allows users to independently alter the speed (tempo) and pitch (frequency) of audio files during live playback. It offers advanced features for precise audio manipulation.

### How does Audio Speed Changer Pro handle ads?

Audio Speed Changer Pro is a paid application and does not contain advertisements. Users purchase the app once to access all its features without interruption.

### What devices is Audio Speed Changer Pro compatible with?

Audio Speed Changer Pro is compatible with iPhone, iPad, and iPod devices. It is designed for iOS operating systems.

### What is the age rating for Audio Speed Changer Pro?

Audio Speed Changer Pro has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content restrictions.

### How often is Audio Speed Changer Pro updated?

Audio Speed Changer Pro was last updated on March 18, 2015, with version 1.02. Further updates may be released by the developer to introduce new features or fix bugs.

### Can I use Audio Speed Changer Pro offline?

Yes, Audio Speed Changer Pro can be used offline for audio playback and manipulation once the app is installed and audio files are imported. Features like importing from cloud services would require an internet connection.

### What kind of audio files can I import into Audio Speed Changer Pro?

You can import audio from your iOS music gallery, iTunes file sharing, or other apps using the 'Open in' feature. The app supports standard audio file formats compatible with iOS.

### What is the user sentiment for Audio Speed Changer Pro?

Based on the available data, Audio Speed Changer Pro has a rating of 3.0 stars from 2 ratings. This suggests a mixed user reception, with potential areas for improvement.

## Version history (last 2 releases)

### 1.02 — 2015-03-18

This app has been updated by Apple to display the Apple Watch app icon.

Bug fixes

### 1.0 — 2015-03-11

No release notes.

## Apps similar to Audio Speed Changer Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MicroPitch](https://appshunter.io/ios/app/micropitch/id1463785645) | 4.3 (16) | $4.99 | Music |
| [Keys of the 70's](https://appshunter.io/ios/app/keys-of-the-70s/id1553504479) | 4.3 (6) | $7.99 | Music |
| [Music Player One](https://appshunter.io/ios/app/music-player-one/id909999442) | 3.3 (3) | $2.99 | Music |
| [Viola Flash Cards](https://appshunter.io/ios/app/viola-flash-cards/id593036486) | 3.7 (3) | $0.99 | Music |
| [Wireless Audio AUv3](https://appshunter.io/ios/app/wireless-audio-auv3/id1597851234) | 3.7 (7) | $4.99 | Music |
| [sumFX](https://appshunter.io/ios/app/sumfx/id6450494474) | 4.4 (12) | $9.99 | Music |

## More apps by Harald Meyer

- [Thermal Live Camera Effect](https://appshunter.io/ios/app/thermal-live-camera-effect/id537234344)
- [Exif Editor and Viewer](https://appshunter.io/ios/app/exif-editor-and-viewer/id560004690)
- [Exif Viewer](https://appshunter.io/ios/app/exif-viewer/id562827354)
- [Music Speed Changer](https://appshunter.io/ios/app/music-speed-changer/id572454164)
- [Music Speed Changer for iPad](https://appshunter.io/ios/app/music-speed-changer-for-ipad/id581463095)
- [Camera Control for GoPro Hero](https://appshunter.io/ios/app/camera-control-for-gopro-hero/id608289516)

All apps by Harald Meyer: https://appshunter.io/developer/389514018

---

*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 2026-06-10.*