1) Easy integration with other services2). Great support for mobile apps3.) Very quick response time4.). The ability of pushing messages from one app/service (for example an email service or social media platform etc..), in order not lose any data sent by their own system5 &6 ). I have no dislikes about this product at all7&8 ) Good price compared to competitors9.) They offer free plan which is good10.), they also accept credit card payments11., if there's something wrong it will be solved very quickly12 ), great customer care13, trustworthy14.1.- Integration between different platforms using push notifications as main signal source15 - Notifications when receiving new e mail16-. Push notification feature17-, sending emails18-) Integrations19,- API20,) Real Time Streaming21)- No charge22.- Free trial23.