Fitbit Charge 2 vs. Fitbit Charge vs. Fitbit Flex vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Charge 2
Charge
Flex
Inspire HR
T-Rex
 FitbitCharge 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$100$99$140
Release20162014201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA139 x 60360 x 360
Sizen/aNANA1.4 inches1.3 inches
Touchn/aNANA
TypeOLEDOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAFitbit OSBuild-in
Apps
Music

All Wearables