What are some alternatives?
When comparing Roost and PushEngage, you can also consider the following products
PushCrew - Push Notifications for Websites
Sniply - Sniply is a content marketing tool providing social media conversion.
OneSignal - Customer engagement platform used by 800K+ developers; the fastest and most reliable way to send push notifications.
Animoto - Animoto turns your photos and video clips into professional video slideshows in minutes. Fast, free and shockingly simple - we make awesome easy.
Pusher Push Notifications API - Send push notifications programmatically at scale
DeepLink - Deeplink is a deep linking platform for native apps, enabling app developers to link to specific pages inside their apps.