[](App Distribution Guide)
苹果开发文档针对3,4的官方介绍
Exporting Your App for Testing Outside the Store
To distribute your app to users with designated devices, select “Save for Ad Hoc Deployment.” The app will be code signed with the distribution certificate.
To distribute your app for internal testing, select “Save for Development Deployment.” The app will be code signed with your development certificate.
1.Save for iOS App Store Deployment
保存到本地 准备上传App Store 或者在越狱的iOS设备上使用
2.Save for Ad Hoc Deployment
保存到本地 准备在账号添加的可使用设备上使用（具体为在开发者账户下添加可用设备的udid），该app包是发布证书编译的（The app will be code signed with the distribution certificate.）
3.Save for Enterprise Deployment
这种主要针对企业级账户下 准备本地服务器分发的app
4.Save for Development Deployment
针对内部测试使用，主要给开发者的设备(具体也为在开发者账户下添加可用设备的udid)。该app包是开发证书编译的（The app will be code signed with your development certificate）
