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In my case, I need to make an in-house communication system using Apple watches (without iPhones) There I'm planning to use UDP or TCP protocol for voice communication. And is it can able to receive a notification without iPhone?

rmaddy
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HomiFox
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  • [Why repost](https://stackoverflow.com/questions/56320152/can-i-use-apple-watch-as-an-individual-device)? You have world wide audience, and not every one comes online at the same time, so it might take time to get an answer (if there is one) – MadProgrammer May 29 '19 at 06:52
  • read first before comment, in this case, use apple watch only – HomiFox May 29 '19 at 07:52
  • I did and I’m still scratching my head over the double post – MadProgrammer May 29 '19 at 09:16
  • As I commented on your other question, a watch needs to be paired with a phone for it to work. You can't send notifications directly to a watch. You send them to the phone and the phone shows them on the watch if the phone is locked/sleeping. Although multiple watches can be paired with a phone only one is active at a time, so notifications to that phone only go to one watch at a time. A watch app cannot listen for incoming TCP or UDP connections/packets. – Paulw11 May 29 '19 at 09:23

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watch OS 6 and above now allows independent Watch apps.

Check out it's WWDC: Creating Independent Watch Apps

watchOS 6 enables a whole new level of watchOS experiences by allowing fully independent apps and apps built just for Apple Watch, and by bringing the App Store to Apple Watch. Discover how to leverage the power of many iOS frameworks and technologies, now on watchOS, to create fully independent experiences on Apple Watch.

For lower versions, an Apple Watch app installs as an extension to an iPhone app. You would need an iPhone to access the AppStore to install an iPhone app, which provides an extension app to the Apple Watch.

In this case, you can create a simply, bare minimum iPhone app but with a complex Apple Watch app extension.

staticVoidMan
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  • thanks, can I know it can be able to receive a notification without iPhone? – HomiFox May 29 '19 at 08:00
  • @Hominda This answer is/was correct for watchOS 5. This is changing with watchOS6 - I suggest you start here - https://developer.apple.com/videos/play/wwdc2019/208/ – Paulw11 Jun 05 '19 at 22:36
  • @Hominda I've updated my answer for watch OS 6. Your minimum app target should be watch OS 6 in this case – staticVoidMan Jun 06 '19 at 06:11