If you subscribed in app on iOS using Apple/iTunes Click Here for additional information.
If you subscribed in app on Android using Google Click Here for additional information.
If you subscribed on LivePhish.com, you can cancel or edit your LivePhish+ subscription on account.livephish.com
From the 'Account Overview' page click 'Manage Plan':
On the 'Plan Overview' page you can Cancel or select your preferred plan: