Question: what are the different generations of fitbits?
Answer: Fitbit Ace. Released in December 2018, the Fitbit Ace is a mini version of the Alta for children aged 8 and above. ...  Fitbit Inspire. ...  Fitbit Inspire HR. ...  Fitbit Charge 3. ...  Fitbit Charge 4. ...  Fitbit Ionic. ...  Fitbit Versa. ...  Fitbit Versa 2.