iPhone应用内购买了自由试验 [英] iPhone In-App Purchases for Free-Trials

问题描述

我在发布的应用程序到应用程序商店的过程。最近我看到，你可以使你的应用程序免费的，但在应用内购买。当我看到这一点，我认为这可以用来创建免费试用。然而，在苹果的有用的提示使用In App Purchase的在自由应用它说：

I am in the process of releasing an application to the app-store. I recently saw that you can make your application free but have in-app purchases. When I saw this I thought that this could be used to create a free trial. However in Apple's Helpful Tips for Using In App Purchase In Free Apps it says

不要设置时间限制在任何的
  你的应用程序的功能，无论是
  运行时间或生命倍。应用
  只有运行的一组号码
  每节分钟，或到期
  共的一段时间后，
  不招客户这么多，
  留在他们的嘴不好的味道。

Don’t set time limits on any of the functionality of your app, either for run times or life times. Applications that only run for a set number of minutes per session, or that expire altogether after some period of time, don’t recruit customers so much as leave a bad taste in their mouths.

我知道有时候这很难知道苹果在想这是不是意味着他们不会允许应用内免费试用，或者他们看不上它。有谁知道，如果人们已经尝试这样做呢？

I know that sometimes it's tough to know what Apple is thinking but does this mean they will not allow In-App Free Trials or that they frown upon it. Does anybody know if people have tried doing this?

推荐答案

正如你引用的文字表示，他们将拒绝任何应用程序，是因为它仅适用于在有限的时间量或使用次数试

As indicated in your quoted text, they will reject any app that is a "trial" in that it only works for a limited amount of time or number of uses.

如果您要删除先进的功能，并允许用户支付费用，这是完全可以接受的。事实上，这是他们谈论的主要用例之一。只要记住该应用程序的免费版本（以前人们支付高级功能）应该做一些有用的东西，它不应该过期。

If you want to remove advanced functionality and allow users to pay for them, that's perfectly acceptable. In fact, it's one of the main use cases they talk about. Just keep in mind that the free version of the app (before people pay for the advanced features) should do something useful, and it should not expire.

此外，一些需要注意的是占位符功能，这将让你拒绝。例如，如果你犯了一个游戏，有一个必须购买难度级别，你不能使它看起来像那些难度级别可供选择，然后提示用户支付他们，一旦他们试图选择。您可以告诉用户有缺失的难度级别，并鼓励他们不过升级，这是一个微妙但重要的区别。

Also, something to watch out for is "placeholder" functionality, which will get you rejected. For example, if you make a game and have difficulty levels that must be purchased, you can't make it look like those difficulty levels can be selected and then prompt the user to pay for them once they try to select them. You can tell the user that there are missing difficulty levels and encourage them to upgrade, however, which is a subtle but important distinction.

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