Suggest an alternative to

OneSignal

OneSignal is a free push notification service for mobile apps. This plugin makes it easy to integrate your native iOS app with OneSignal. https://onesignal.com

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with OneSignal. Optional.

A valid email to send you a verification link when necessary or log in.