Is it possible to sync Samsung smartwatch with my iPhone 13?

ChatGPT says:

It is possible to sync a Samsung smart watch with an iPhone, but it depends on the model of the watch. If your Samsung watch is a Galaxy Watch 4 or newer, it won't work with an iPhone — these models use Wear OS, which isn’t compatible with iOS.

If you have an older Samsung watch (like the Galaxy Watch 3, Galaxy Watch Active 2, or earlier), those use Tizen OS, and they can sync with an iPhone using the Samsung Galaxy Watch app from the App Store.

That’s a good question for Samsung. See if Samsung has an app for iOS that supports the watch.

You could try searching in the App Store for an app