How often should I send email notifications from a chat app?

1. When should I send app push notifications?
2. Are push notifications more effective than email?

When should I send app push notifications?

In general, the best time to send push notification is between 7am-10am and between 6pm-10pm. But it's always better to analyse information about users to better identify each user's unique windows when they're most open to notifications.

Are push notifications more effective than email?

Push notifications are better than email due to the higher click-through rates, urgency, personalization, and easy subscription options. However, email is still highly effective for transactional emails, upsells, newsletters, and other campaigns. We believe that they are two separate tools.