check.js

// React Native
if (Linking.canOpenURL(myURL)) {
  Linking.openURL(myURL);
} else {
  // handle app not available
}

check.kt

// Android
val uriIntent = Uri.parse(myUrl).let { url -> Intent(INTENT_TYPE, url) }
try {
  startActivity(intent)
} catch (e: ActivityNotFoundException) {
  // handle app not available
}

check.swift

// iOS
if UIApplication.canOpenURL(myURL) {
  UIApplication.open(myURL)
} else {
  // handle app not available
}