The mobile app is not responding - who should I contact? Natalya Give us a shout-out via the Plus! app "Contact Us" button under "Account" page. Related articles How do I provide feedback and suggestions to improve the app? What is the Plus! app about? Where do I register for a login account? Plus! Visa Card - Card Pin, OCBC Phone Banking & Online Banking My LinkPoints are not credited. What should I do?