Polar M600 vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Fitbit Charge vs. HTC re Grip

 
M600
Loop 2
Forerunner 935
Charge
re Grip
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitChargeRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$120$500$130$199
Release20162015201720142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 days (without notifications)Up to 2 weeks7-10 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240NA160 x 32
Size1.3 inchesn/a1.2 inchesNA1.8 inches
Touchn/aNA
TypeTFTLEDLCDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables