Can I load the sound recorded on my smartphone to my PC/Mac?

Yes. Use iTunes to load it to your PC/Mac.

1. Connect the iOS device to your PC/Mac and start iTunes.
2. Select the iOS device you use in the icon on the upper left of the screen.
3. Click [File Sharing] on the left side of the screen.
4. Select the app you are using from [Apps].
5. Select the recorded file you want to save from the right side of the screen
　 (Select the [Recordings] folder if the app is WeDJ)
6. Scroll the screen to the bottom and click [Save...], which appears at the bottom right.