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

 
Flex 2
Charge
Speedo Shine
A370
 FitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowMisfitSpeedo ShineRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$100$130$80$179.95
Release2016201420152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days6 monthsUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/aNANA160 x 80
Sizen/aNANA1.18 inches
Touchn/aNANA
TypeLEDOLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables