I'm using Google firebase to send push notification to my app
i'm getting low open rate
I sent about 20'000 and get open rate of 50 and I don't know why its happen
what is the best push notification system to use in my app?
Hello I am considering creating a paid newsletter targeting a unique niche in my city: families with Home School kids. Forgive the beginner question but how does MailChimp, Constant Contact, ...