Fitbit Flex 2 vs. Polar M430 vs. Casio G-Shock GBA800 vs. Fitbit Charge vs. Garmin Vivosmart 4

 
Flex 2
M430
G-Shock GBA800
Charge
Vivosmart 4
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$255$120$130$130
Release20162017201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours2 years7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128NA48 x 128
Sizen/a1.4 inchNA0.74 inches
Touchn/aNA
TypeLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR3020 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables