Gravitec.net is described as 'web push notification service with a set of unique features. The main goal is to convert your readers into subscribers and engage them in the most efficient way. On average, Gravitec.net customers achieve 20-25% increase in monthly traffic'. There are more than 10 alternatives to Gravitec.net for a variety of platforms, including Online / Web-based, Android, Android Tablet, SaaS and Windows. The best alternative is OneSignal, which is free. Other great apps like Gravitec.net are Truepush (Freemium), WebEngage (Paid), CleverPush (Freemium) and FirePush (Freemium).
PushEngage is a platform for Personalized Browser Push Notifications. Customers can Target Desktop and Mobile users on Chrome, Safari and Firefox through Push Notifications. The company offers a SAAS version of the product as well as Push Notification API.
Pushy is a reliable push notification gateway for time-sensitive, mission-critical apps. - Highly-Reliable: A dedicated MQTT connection on Android improves push notification delivery in critical situations.