Prayvine is a browser-based communication platform designed for mobile phones, tablets, and desktop/laptop computers. Your prayer requests are sent through email, and you receive email notifications when someone prays for you. Some users add the website to their mobile home screens for easier access. Here are instructions in case that might be helpful: https://www.howtogeek.com/196087/how-to-add-websites-to-the-home-screen-on-any-smartphone-or-tablet/
Prayvine does not currently have a mobile app. We are evaluating the possibility of creating one in the future, and we value your feedback about specific app features you believe would be most valuable. Please feel free to share your ideas with us at help@prayvine.org.