Fitbit Flex 2 vs. Polar Loop 2 vs. Fitbit Charge 3 vs. Misfit Speedo Shine vs. Polar A370

 
Flex 2
Loop 2
Charge 3
Speedo Shine
A370
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitCharge 3Remove Buy NowMisfitSpeedo ShineRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$100$120$150$80$179.95
Release20162015201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)7 days6 monthsUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a66 x 18NA160 x 80
Sizen/an/a.721 inchesNA1.18 inches
Touchn/aNA
TypeLEDLEDOLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables