Fitbit Flex 2 vs. Garmin Chronos vs. Polar Loop vs. Garmin Forerunner 45

 
Flex 2
Chronos
Loop
Forerunner 45
 FitbitFlex 2Remove Buy NowGarminChronosRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$1500$100$199
Release2016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a218 x 218NA208 x 208
Sizen/a1.2 inchesNA1.04 inches
Touchn/a
TypeLEDMIPLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuilt-in
Apps
Music

All Wearables