Polar M600 vs. Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. Apple Watch 7

 
M600
Flex 2
G-Shock GBA800
Reign
Watch 7
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$100$120$150$429
Release20162016201820152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days2 years5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/aNA396 x 484
Size1.3 inchesn/aNA1.9 inches
Touchn/an/aNA
TypeTFTLEDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM20 ATMNAwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNAWatchOS 8
Apps
Music

All Wearables