Fitbit Ionic vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. Fitbit Flex

 
Ionic
Stratos
G-Shock GBA800
Charge 3
Flex
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$299$199$120$150$100
Release20172018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days2 years7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250320 x 30066 x 18NA
Size1.421.34 inches.721 inchesNA
TouchNA
TypeOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM20 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryNANA
Apps
Music

All Wearables