Diamond Number coloring is easy to use: 1. Chose on many diamond coloring art works from diamond coloring page. 2. Diamond Art work before coloring appears with Color by Number options. 3.Use the tools in diamond coloring: a) Color by Numbers - Chose the number with number colored diamond and color by numbers. b) Color fill Numbers - Use fill tool to color by number all at once. c) Color Eraser - Eraser tool lets you use colored diamond again by using erase color. d) Undo and Redo - Undo and redo diamond coloring. 4. Save and Share Diamond coloring by number coloring. 5. Share the animated GIF's of diamonds. Create awesome art with Diamond Coloring. The subscription removes ads within the app , Get More Contents and Extra Diamond coloring Art only for Pro users with more Creatives Art added regularly. The in-app purchase is charged to your itunes account. The auto-renewal of subscription can be turned off via itunes account settings after purchase. There are three options for in app purchase namely are as follows A> Weekly subscription, B> Monthly subscription. C> One time purchase. The subscriptions automatically renew unless subscription is cancelled when the subscription period expires • 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 Terms of use: http://www.dexati.com/iosterms.html Subscription Info : http://www.dexati.com/iossubscriptions.html