OTT apps such as Facebook Messenger, WhatsApp, Viber, are IP-based apps that need to be downloaded. RBM on the other hand reaches the handset’s native messaging app (or the SMS client), thereby eliminating the need to install additional apps. Hence, leveraging the RBM allows brands to touch base with more potential customers than OTT apps. The additional benefits are: Increased level of trust and security Improves results, security, and branding of OTPs at optimized costs You can leverage your chatbot investment with OTT apps