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

 
Flex 2
Stratos
G-Shock GBA800
Charge
Flex
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$199$120$130$100
Release20162018201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NANA
Sizen/a1.34 inchesNANA
Touchn/aNANA
TypeLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNANA
Apps
Music

All Wearables