Google Maps SDK for iOS 和高级版之间有什么区别吗?

Is there any difference between Google Maps SDK for iOS and its premium version?

如果有单独的高级 SDK,或者高级密钥是否允许 iOS 部分的一些额外 Google 地图功能,则绝对没有规范。

恕我直言,相同的 sdk,不同的 api 键。

编辑:它是相同的 SDK,并且您花费了免费限额 (source):

The 100,000 daily free requests are shared across all Maps JavaScript API client-side services and Google Maps APIs web services—all requests are subtracted from the same pool of 100,000 free daily requests. Any additional requests are applied against the total number of Maps APIs Credits you purchased for your Premium Plan. Your free daily request pool is reset at 12:00 am PST. (source)

如果您不断达到限制,您将不得不将您的计划升级到高级版 - 但您仍将拥有相同的 SDK。