Polar M600 vs. Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. HTC re Grip

 
M600
Flex 2
G-Shock GBA800
Reign
re Grip
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$100$120$150$199
Release20162016201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days2 years5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/aNA160 x 32
Size1.3 inchesn/aNA1.8 inches
Touchn/an/aNA
TypeTFTLEDLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM20 ATMNAIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables