Fitbit Alta vs. Fitbit Charge 2 vs. Fitbit Charge 3 vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
Alta
Charge 2
Charge 3
Flex
Mi Band 3
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$130$150$150$100$44.95
Release20162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a66 x 18NA128 x 80
Sizen/an/a.721 inchesNA0.78 inches
Touchn/an/aNA
TypeOLEDOLEDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables