Track Unfollowers funktioniert nicht

Depending on the size of your Twitter account and due to Twitter API limits, some features may not be available. - PREMIUM PLAN: This is an auto-renewable subscription plan that is available for a period of 1 year.  The current price of the Premium Plan is $7. 99 per year. - MONTHLY PLAN: This is an auto-renewable subscription plan that is available for a period of 1 month.  Your account will be charged for renewal within 24-hours prior to the end of the current period.  Track Unfollowers is a suite of tools for Twitter account management. * PLEASE NOTE: You need a Twitter account to use this app.  The current price of the Monthly Plan is $2. 49 per month.  If you choose to purchase either plans, payment will be charged to your iTunes account at confirmation of purchase.  Your subscription automatically renews unless auto-renewal is turned off at least 24-hours before the end of the current period.  The amount charged will be $7. 99 for the yearly Premium Plan, or $2. 49 for the Monthly Plan.  You can manage your subscriptions and turn off the auto-renewal by accessing your Account Settings after purchase.  No refund will be provided to any unused portion of the term.  These prices are for the United States customers.  Pricing in other countries may vary.  If you have any question please contact us at: support@apprizon.