Polar M600 vs. Fitbit Alta vs. Polar Loop 2 vs. Amazfit Stratos vs. HTC re Grip

 
M600
Alta
Loop 2
Stratos
re Grip
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$130$120$199$199
Release20162016201520182020

Activity & Fitness

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

Battery

Duration2 days5 days8 days (without notifications)5 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

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

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a2 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aProprietaryNA
Apps
Music

All Wearables