### App Manager

#### Uploading Your App
To start testing your app, you must first upload your app’s APK (Android) or IPA (iOS) file. Learn more on how to upload your app in Sofy.

[Learn more](https://docs.sofy.ai/app-manager/uploading-your-app)

#### Installing an App
You can switch the app you want to test by clicking on Select App on the left panel of the Device screen. When you click on Select App, a new screen with all your apps will appear. From here, you have the ability to select the app you wish to use.

[Learn more](https://docs.sofy.ai/app-manager/installing-an-article)

#### Considerations for IPA files (iOS)
When uploading an IPA file for iOS devices, you may need to consider specific steps depending on whether you are enrolled in the Apple Developer Program or the Apple Developer Enterprise Program.

[Learn more](https://docs.sofy.ai/app-manager/considerations-for-ipa-files-i-os)

#### Enterprise Build Support
Follow these steps to upload your Enterprise Build. Similar to uploading any application in Sofy, click on "App Manager". Click on Add Application. Upload your application build from your local machine.

[Learn more](https://docs.sofy.ai/app-manager/enterprise-build-support)

#### Automatically Re-Signing iOS Apps
Sofy provides testers with the ability to automatically re-sign IPA files with internal provisioning files. To enable this feature, complete the following steps: Upload your App (IPA) from Add Application.

[Learn more](https://docs.sofy.ai/app-manager/utomatically-re-signing-i-os-apps)

#### Troubleshoot Errors While Uploading Applications
To make sure you can easily navigate any hiccups while trying to upload your applications, you can refer to this document to help you rectify any issues. The following table is a mapping of error messages you might encounter.

[Learn more](https://docs.sofy.ai/app-manager/troubleshoot-errors-while-uploading-applications)