Push notifications can be a powerful tool for app engagement, as they allow you to send targeted, timely messages to your users directly on their devices. Here are 10 strategies you can use to effectively leverage push notifications for app engagement:

1. Personalization: Use user data and behavior to send personalized push notifications that are relevant and timely to each individual user.
2. Segmentation: Divide your users into different segments based on factors like demographics, location, and behavior, and send targeted push notifications to each segment.
3. Timing: Experiment with different times of day to find out when your users are most likely to engage with your push notifications.
4. A/B testing: Test different push notification messages, subject lines, and call-to-actions to see which ones perform best.
5. In-app messaging: Use in-app messaging to complement your push notifications and provide users with a more seamless and integrated experience.
6. Opt-in options: Give users the option to opt-in or opt-out of push notifications, and respect their preferences.
7. Frequency: Don’t send too many push notifications, as this can lead to user fatigue and opt-outs.
8. Rich media: Use rich media, such as images and videos, to make your push notifications more engaging.
9. Deep linking: Use deep linking to take users directly to a specific page or feature within your app when they click on a push notification.
10. Analytics: Use analytics to track the performance of your push notifications and make data-driven decisions about your push notification strategy.