Polar M600 vs. Fitbit Charge 2 vs. Misfit Ray vs. Amazfit Stratos vs. HTC re Grip

 
M600
Charge 2
Ray
Stratos
re Grip
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowMisfitRayRemove Buy NowAmazfitStratosRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$150$100$199$199
Release20162016201620182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days6 months5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a320 x 300160 x 32
Size1.3 inchesn/an/a1.34 inches1.8 inches
Touchn/an/an/a
TypeTFTOLEDLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aProprietaryNA
Apps
Music

All Wearables