You need to subscribe to monthly or annual plan to create unlimited invoices or estimates. Information about the auto-renewable subscription - You can purchase for monthly subscription ($1.99/month) or annual subscription ($19.99/year). - 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. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - For more information on how to cancel subscription, please review - https://support.apple.com/en-us/HT202039 - Privacy policy: http://www.svgapps.com/privacy-policy - Terms of use: http://www.svgapps.com/terms