Amazfit Bip 6 vs Fitbit Charge 6

The Amazfit Bip 6 carries a 1.97-inch AMOLED panel and a 46mm case, while the Google Fitbit Charge 6 stays slim with a 1.04-inch display and a band-first profile. Both trackers sit in a similar price bracket, yet they solve different problems. One stretches battery life past a full week, the other leans on Google …