You can Log Out your account from the VoicePing app by the following steps:
1. Open the VoicePing app, then tap the 3 (Three) dots button on the upper right corner of the VoicePing display screen.
2. Choose the "Settings" button on the options.
3. Scroll down the settings menu until you find "Change Password" button under ACCOUNT SETTINGS section. Then tap the button.
4. Afterward, tap the "Sign Out" button at the bottom.
5. Tap "Yes" button on the pop-up confirmation.
For a clearer guide, please check out this video:
You will be logged out from the VoicePing account after following the steps above. Please see also "How to login to VoicePing using Existing Account" whenever you like to login to VoicePing.