Polar M600 vs. Amazfit Stratos vs. Fitbit Flex vs. Fitbit Inspire HR vs. Amazfit GTR

 
M600
Stratos
Flex
Inspire HR
GTR
 PolarM600Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$199$100$99$199
Release20162018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 300NA139 x 60454 x 454
Size1.3 inches1.34 inchesNA1.4 inches1.39 inches
Touchn/aNA
TypeTFTOLEDLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearProprietaryNAFitbit OSBuild-in
Apps
Music

All Wearables