We thought about subscription (free and premium) for individual and corporation; also totally free with ads revenue is an option.
To be honest, right now we are most focusing on developing the product and we haven't make decision about the business model yet. Please feel free to share your thought, I'd love to hear.
We actually aim at education and training, the app is kind of a simplified OBS studio with features targeting the needs of educators, normally a session there last for quite some time, and theme can be very divers. Ads revenue is one of the thoughts we have.