SafeBroom Cleaner funktioniert nicht

Take control of your iPhone or iPad by keeping only those files that are actually valuable.  How much data is stored on your device?  And how much of it is really necessary?  SafeBroom Cleaner is a powerful cleaning tool for organizing your photos, videos, events and contacts. - automatically clear up your storage in a few taps. - After you subscribe, you can manage your account and turn off automatic renewal in Account Settings. - Your subscription is renewed automatically if you do not cancel it within 24 hours before its expiration date. - When you purchase the app, your iTunes account is billed. - Account will be charged for renewal within 24-hours prior to the end of the current period. - Automatic renewals will cost the actual price shown in Subscription conditions section. - Any unused time left on your trial subscription will disappear if you upgrade to the paid version.