Apple Watch Series 3 vs. Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Fitbit Versa vs. Fitbit Alta HR

 
Watch Series 3
Flex 2
G-Shock GBA800
Versa
Alta HR
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitVersaRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$100$120$199.99$150
Release20172016201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days2 years4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a300 x300128 x 36
Size1.5 inches or 1.65 inchesn/a1.34 inches1.4 inches
Touchn/a
TypeAMOLEDLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/a
Apps
Music

All Wearables