PushBots is a mobile marketing automation platform to capture and improve customer journeys and engagement across iOS, Android, and websites.
PushBots allows sending unlimited push notifications to 1,000 monthly active users forever free of charge. No credit card required.
Catapush is a simple and scalable delivery API for push notifications on mobile applications. Ideal for businesses sending data-driven operational notifications, including targeted e-commerce and personalized one-to-one messages.
OneSignal is a customer messaging and engagement solution, offering mobile and web push notifications, in-app messaging, SMS, and email.