Colorblind Eye Exam Test funktioniert nicht

This application has been approved by a real eye doctor and it is certified to give you an accurate result, especially on retina display devices.  Take this quick color blindness test and find out if your are color deficient, especially in the red and green tones.  Professionals can now access professional settings in order to customize the client's experience.  Detailed Exam Reports are stored on your device and can easily be printed or securely shared.  Best way to know whether you need to visit an optometrist or not.  Note: This does not replace a doctor's diagnostic. -Subscription Price: USD$19. 99/month, USD$149. 99/year (may vary by location). -Payment will be charged to iTunes Account at confirmation of purchase. -Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. -Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.