Polar M600 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Polar A370 vs. Amazfit GTR

 
M600
Alta
Watch Series 2
A370
GTR
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$130$269$179.95$199
Release20162016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days18 hoursUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a340 x 272 or 390 x 312160 x 80454 x 454
Size1.3 inchesn/a1.5 inches or 1.65 inches1.18 inches1.39 inches
Touchn/an/a
TypeTFTOLEDAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5ATMWR305 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWatch OSBuild-in
Apps
Music

All Wearables