And for us, that was an iOS app.

对我们来说，这是一个iOS应用程序。

So my project here is an iOS app, and it lets users explore our solar system.

假设我正在制作一个 iOS 的应用程序，让我们的用户探索太阳系。

A large part of its income comes from the 30 percent charge it demands for payments made through iOS apps.

该公司很大一部分收入来自其通过iOS应用程序收取的30%的费用。

But Apple is adding a 55-cent fee for each iOS app downloaded through outside app stores.

但苹果公司将会对通过外部应用商店下载的每款iOS应用额外收取55美分的费用。

We learned how to make a Swift Server app alongside an iOS app in Xcode.

我们学习了如何在 Xcode 中制作 Swift 服务器应用程序和 iOS 应用程序。

IBM has authored more than 100 of their MobileFirst iOS apps in Swift, and both IBM and SAP have released SDKs that allow Swift developers to take advantage of their services infrastructure.

IBM 用Swift写了100多个 MobileFirst iOS 系统的应用程序，IBM 和 SAP 都发布了允许 Swift 开发者利用他们的服务基础设施的软件开发工具包（SDK）。