Why can't I update the app? (Android)

If for some reason, your device is unable to see the latest update of the app. This is a common Google Play Store issue and Google recommends the following:

First solution:
Install app through Google Play Store website.

Second solution:
Disable Wi-Fi and download or update the app using mobile network data (additional charges may apply).

Third solution:
Go to Settings > Apps > All > Google Play Store and select Clear cache and Clear data.

Fourth solution:
Remove your Google account, restart your device, re-add your Google account and try again.