- from within a particular app on a device such as a smartphone or tablet
- Extra features can be purchased in-app.额外功能可以在应用内购买。
- (especially of a purchase) made or available from within a particular app on a device such as a smartphone or tablet
- You can buy more items for your character with in-app purchases.您可以通过应用内购买为角色购买更多物品。
- There are no in-app ads and it's entirely free!没有应用内广告，并且完全免费！