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We're currently evaluating a push notification service for our iOS and Android apps. Our two favourites are Firebase and Pushy. Pushy doesn't use Firebase under the hood, but rather open and maintain their own socket connection. I was wondering which technology Pushy is using under the hood to be able to provide near real-time PNs without having a background service started that is drowning the devices battery and is not prone to get killed by the system.

ASP
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  • Pushy uses a persistent MQTT connection under the hood: https://support.pushy.me/hc/en-us/articles/360043864271-What-is-MQTT- – Elad Nava Jun 03 '21 at 14:22
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    Thanks @EladNava. I'm aware of the MQTT connection. But this doesn't answer my question. Why isn't the connection closed at some point by the system? – ASP Jun 04 '21 at 09:16
  • It's an excellent question, seems impossible to me – Dean Wild Sep 24 '21 at 22:37

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