First, you need to decide what features (audio calling, video calling, instant messaging, group chat, location sharing, media sharing, and audio-video conferencing, etc) you need in messaging app. REVE Systems will help you in deciding which features suit your business and help you with your all queries. Read more: https://revesystems.medium.com/white-label-whatsapp-get-own-branded-private-messaging-app-cc343e9c9339