Boost Cleaner funktioniert nicht

You can subscribe to get access to all features. • Your payment will be charged to your iTunes Account as soon as you confirm your purchase. • You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase. • Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period. • The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period. • When canceling a subscription, your subscription will stay active until the end of the period.  Boost Cleaner provides features like delete duplicate photos, large videos, merge duplicate contacts, backup contacts.  Boost Phone Cleaner offers a weekly auto-renewing subscription option.  Boost Cleaner is a small, fast, and practical cleaning tool for iPhone.  Clean your device with just one touch.  Auto-renewal will be disabled, but the current subscription will not be refunded. • Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription.