Push notifications are one of the most effective ways to bring users back. But sending too many has the opposite effect — it gets the app uninstalled. A good strategy involves personalization, segmentation, and optimal timing.
Firebase Cloud Messaging (FCM) is the cross-platform push service for Android and iOS. OneSignal offers an even friendlier dashboard. A/B testing reveals which messages get opened more. "Silent push" updates background data without disturbing the user at all.
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