Fitbit Charge 2 vs. Fitbit Flex 2 vs. Polar M430 vs. Amazfit Stratos vs. Casio G-Shock GBA800

 
Charge 2
Flex 2
M430
Stratos
G-Shock GBA800
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$150$100$255$199$120
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 hours5 days2 years
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128x128320 x 300
Sizen/an/a1.4 inch1.34 inches
Touchn/an/a
TypeOLEDLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMWR305 ATM20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietary
Apps
Music

All Wearables