This app is an audio player that can change the speed and the pitch of audio contents.
The app is useful for music dictation, music practice ( guitar / bass / vocal ), dance lesson, language study , and listening to long audio etc.
You could use this app as an audiobook player and as a radio player.

Features
- Audio speed change. ( 0.25x - 4.0x )
* This apps can change audio speed without pitch shifting.
- Pitch shifting ( -1 octave to +1 octave , adjustable per cent level )
- Advanced audio control designed for long audio track.
Multiple seek bars provides more control of seeking long audio.
- Marking feature in audio track.
You could put marks on anywhere in audio track. You can play the audio from the position where you marked repeatedly. And the mark can be named.

The following features are unlocked by upgrading to Pro version.(It isn't free. In app purchase. During the first two weeks after installation, all of these features are available for your use as a trial period.).
- Widgets
- Playing playlist
- Search songs / albums / artists
- Shuffle play
- Sleep timer
- Silence detection
- Remove ads

This music player is a good application for listening to a part of the music repeatedly . ( Ex. Music dictation / Music practice for guitar, bass, vocal etc. )
Also the app is good for listening the audio faster ( Ex. audiobook, radio ) or slower( Ex. language study ).

// Option A //

To download Music Speed Changer: Audipo mod from HappyMod.to.
You need enable the option "Unknown Sources".
1. Click on the above link to download Music Speed Changer: Audipo mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Music Speed Changer: Audipo from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.to - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Music Speed Changer: Audipo in HappyMod App.