Fitbit Charge 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Samsung Gear Fit2 Pro vs. Xiaomi Mi Band 3

 
Charge 2
Ionic
Flex
Gear Fit2 Pro
Mi Band 3
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowSamsungGear Fit2 ProRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$150$299$100$199.99$44.95
Release20162017201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days5 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA216 x 432128 x 80
Sizen/a1.42NA1.5 inches0.78 inches
Touchn/aNA
TypeOLEDOLEDLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNATizen OS
Apps
Music

All Wearables