Fitbit Alta vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Flex vs. Amazfit GTR

 
Alta
G-Shock GBA800
WSD-F20A
Flex
GTR
 FitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$120$399$100$199
Release20162018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years1 day5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA454 x 454
Sizen/a1.32 inchesNA1.39 inches
Touchn/aNA
TypeOLEDLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables