Polar M600 vs. Fitbit Alta vs. Fitbit Charge 3 vs. HTC re Grip

 
M600
Alta
Charge 3
re Grip
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$130$150$199
Release2016201620182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240n/a66 x 18160 x 32
Size1.3 inchesn/a.721 inches1.8 inches
Touchn/an/a
TypeTFTOLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables