We have developed a magazine style app for a client. Even though we're pretty happy about it we want to migrate to a in-app purchase version ASAP. The idea is to have an app much like Wired or Popular Science where you can purchase issues on a monthly basis.We have developed a magazine style app for a cl
阅读背景：
创建杂志问题模型，通过应用内购买进行销售
来源：互联网
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