I have a 128GB 6S+ & I agree, battery life is amazing but I dont consider it to be the best phone I ever used.I have a 128gb iPhone 6+ ... it is, by far the best phone I've ever used
the battery life is simply amazing ... I play a game called Real Racing 3 on it
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For real serious work I use my Macbook or Windows (depending what floor of the house I'm on).
Less serious I use my Note 5 & for BS'g around, I use the iPhone.
I was the last one in my immediate fam to try the iPhone again.
Note 5!!!