---
title: isCompanionAppInstalled
framework: watchconnectivity
role: symbol
role_heading: Instance Property
path: watchconnectivity/wcsession/iscompanionappinstalled
---

# isCompanionAppInstalled

A Boolean value indicating whether the companion has installed the app.

## Declaration

```swift
var isCompanionAppInstalled: Bool { get }
```

## Discussion

Discussion Use this property on independent watchOS apps to determine whether the paired iPhone has installed the app.

## See Also

### Getting the Paired Device Information

- [isPaired](watchconnectivity/wcsession/ispaired.md)
- [iOSDeviceNeedsUnlockAfterRebootForReachability](watchconnectivity/wcsession/iosdeviceneedsunlockafterrebootforreachability.md)
- [isWatchAppInstalled](watchconnectivity/wcsession/iswatchappinstalled.md)
- [isComplicationEnabled](watchconnectivity/wcsession/iscomplicationenabled.md)
- [watchDirectoryURL](watchconnectivity/wcsession/watchdirectoryurl.md)