I work in a church and there are quite a few people with iPhones in a specific program I am involved in. I want to know if I can create a calendar that I can update in real time so that people know what is going on and have it updated right to their phones.

I had thought of having people give me their email addresses and set it up in iCloud with a random apple id.

Would this work or is there some other way that I can post a file on a website that keeps up to date.

I am also open to other ideas.