Like Umnico a lot since it allows my team to chat with users via multiple WhatsApp and Telegram accounts without business verification on Facebook. We tag chats, make notes, store all records in one cloud-based system and move inquiries down the status pipeline, which is awesome and supports conversion Review collected by and hosted on G2.com.
There are some minor glitches in the system; it fills like it has not yet been localized properly. However, I can live with it. Once in a while, I encounter WhatsApp connectivity issues, but it's usually solved in a clicks Review collected by and hosted on G2.com.