Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Charge vs. Jaybird Reign vs. Polar Loop

 
Charge 2
Flex 2
Charge
Reign
Loop
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$100$130$150$100
Release20162016201420152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANANA
Sizen/an/aNANANA
Touchn/an/aNANA
TypeOLEDLEDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNA2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables