Please refer to below steps to upgrade app:
IOS Device:
IOS Device:
- Open App Store from your device
- Press Updates
- Press UPDATE beside desired app
- Open Play Store from your device
- Press column sign at top left of screen
- Press My apps & games
- Click INSTALLED tab
- Select desired app
- Press UPDATE
Note: If you could not find UPDATE button beside desired app, it means this app is the latest version and you have no need to upgrade