Email marketing and push notifications both work well. Email is better for detailed communication. Push notifications are great for instant updates. Emails reach users on any device with an inbox. Push notifications grab attention faster. Email works well for personalized campaigns. Notifications are ideal for time-sensitive offers. Email allows for longer content and visuals. Notifications are short and direct. Emails can get lost in spam folders. Notifications appear directly on user screens. Email marketing builds long-term relationships. Push notifications drive quick engagement. The choice depends on your audience and goals. Combining both strategies often brings the best results.