To change your subscription, click your user name (on the far right of the page) and select “my account”. You can then click “Change My Plan.”
To retain access to previously processed audio without further payment, select the Free "1 Hour Demo" plan to downgrade your account. You will not be charged again unless you choose to upgrade.
Audio will remain stored and (for public collections) viewable on the site until further notice, unless you remove it. In addition, all uploads to Internet Archive will remain available at archive.org.