Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Fitbit Flex

 
Watch Series 3
Flex 2
One
G-Shock GBA800
Flex
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$100$100$120$100
Release20172016201220182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days10-14 days2 years5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/aNA
Size1.5 inches or 1.65 inchesn/an/aNA
Touchn/aNA
TypeAMOLEDLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant20 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aNA
Apps
Music

All Wearables