山东航空 vs VariFlightPro

山东航空股份有限公司（https://www.sda.cn）官方推出的移动客户端,提供机票预订、值机选座、航班动态、不正常航班服务、凤凰知音、行程管理等服务。 首页焕新——体验升级，清爽布局一触即达 机票预订——操作便捷，航班信息一目了然 行程管理——行程总览，出行服务一应俱全 电子登机牌——畅行无忧，轻松过检一码通行

VariFlightPro is a professional tool for aviation professionals that is open only to users who work in the aviation industry. VariFlightPro has comprehensive global flight status information, airport dynamic information, to help aviation employees understand the operation of the flight, but also civil aviation staff to exchange and share information platform. VariFlightPro's main features include flight information, real-time flight tracking, airport status analysis, aeronautical meteorological information, on-time report, VHF, etc. [Automatic Renewal Member Instructions] --Membership rights: Access all member-related functions in the App (such as viewing historical flights, historical messages, ADSB multi-dimensional screening, reminding abnormal flights, removing advertisements, etc.). --Subscription period: 1 month (continuous monthly subscription products for members), 3 months (continuous monthly subscription products for members), 12 months (continuous annual subscription products for members). --Subscription price: subject to iAP application information, for example, the monthly subscription product is 16 yuan per month; the annual subscription product is 158 yuan per year. --Payment: After the user confirms the purchase and pays, it will be credited to the iTunes account. --Cancel renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in the iTunes/Apple ID settings management 24 hours before the current subscription period expires. --Renewal: Apple’s iTunes account will be deducted within 24 hours before expiration. After the deduction is successful, the subscription period will be extended by one subscription period. --Privacy Policy: https://yenei.variflight.com/welcome/protocol_privacy --Automatic renewal membership agreement: https://yenei.variflight.com/welcome/protocol_sub