Fitbit One vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Apple Watch Series 5

 
One
Watch Series 2
G-Shock GBA800
Flex
Watch Series 5
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$269$120$100$329
Release20122016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours2 years5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA384 x 480
Sizen/a1.5 inches or 1.65 inchesNA1.78 Inches
TouchNA
TypeOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM20 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables