Yes, it is turned on by default. You can opt-out if you’d like. Here’s a pretty good article that covers it all: https://www.howtogeek.com/725842/what-is-apples-find-my-network/
Samsung SmartTags “Find” network is opt-in, which stagnated the growth of their network.
Tile’s network is naturally opt-in as it requires us to install the app, and therefore has the lowest coverage from my understanding.
I recall seeing the following approximate numbers:
- Apple: 1,000,000,000
- Samsung: 300,000,000
- Tile: 35,000,000
Battery and data usage are negligible.
Does this count: