Rather then using any third party apps you can just use my discord (with free unlimited options + free recording). I can setup event channel where everyone can talk and Lal can do simple moderation as main speaker (people who wants to speak will have “hand up” icon) and you can pull them up automatically to talk rather than pick and choose some random apps that you can use with limited manner, use platfrom that has already plenty of people with some basic understanding of Dhamma (and it’s easy to invite people who do not need even register with discord if they want to just go into event ie. temporary membership)
A Quest to Recover Buddha's True Teachings