A:AnswerYes, it has the ECG function. I have never used an Apple watch so cannot compare. You hold your watch with two fingers on the edges and it measures your heart rate for 30 seconds and then gives you the analyzed results.
A:AnswerWhen I bought mine, I had to buy the protection plan through Fitbit because Best Buy wasn't offering their Geek Squad protection like usual. It's close to $70 for the protection plan from Fitbit.
A:AnswerThe brightness of the screen is adjustable based on your needs, keep in mind this will affect the battery life when adjusting from the “recommended” settings.
A:AnswerI got the extended warranty through Square Trade. Worth the money. They replaced my Fitbit with a brand new one after the face got cracked when i dropped it. Quick and easy claim process.
A:AnswerTo get the most detailed sleep tracking data (your sleep score), you need to be a fitbit premium member. I had this on my Versa and now have it on my Sense. Check it out.