Fitbit Ionic vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Fitbit Flex

 
Ionic
Stratos
G-Shock GBA800
On Full Guard
Flex
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$299$199$120$325$100
Release20172018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days2 years1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300454 x 454NA
Size1.421.34 inches1.4 inchesNA
TouchNA
TypeOLEDOLEDOMOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM20 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryAndroid Wear 2.0NA
Apps
Music

All Wearables