Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. Garmin VivoActive 4 vs. Apple Watch 7

 
Flex 2
G-Shock GBA800
Reign
VivoActive 4
Watch 7
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$120$150$349$429
Release20162018201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 days8 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA260 x 260396 x 484
Sizen/aNA1.3ionches1.9 inches
Touchn/aNA
TypeLEDLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATMNA5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWatchOS 8
Apps
Music

All Wearables