The 2 options you see in your mobile app are Conferencing and Meetings.
1. Conferencing is audio only where you have a host code and participant code. Everyone dials the number for the meeting and then uses the appropriate code. You can have 1000 participants join including from overseas.
2. Meetings is the web conferencing app that does support video if you have a webcam. It is different in that you can only have a certain amount of users but everyone connects through their web browser and also can call in using their phone if they do not have a PC microphone. (PC mic is not recommended as they tend to have quality issues but test it first as some do work ok)
Both of these apps can be downloaded from your portal from Tools. Be sure to switch to 'My Extension if you are logged in with admin rights.
I see them too. I think Phil K. is looking from the RingCentral app not the RingCentral
Meetings app. It is a little confusing and also I have noticed the choice of wording is different between mobile and desktop app. From the RingCentral Meetings desktop app I have option 'start without video' and 'start with video' It is not huge to me, but I can see it confusing for some. RC should settle on what to call these options and make them consistent across apps.
To further confuse things, from the RingCentral mobile app (not meetings app) there are choices for 'conferencing' and 'meeting' This confuses some people too. I would suggest, 'audio only conference' or 'audio conference' and 'web conference' or 'video conference' or something similar.