Fitbit Zip vs. Polar M430 vs. Garmin 645 Music vs. Polar A370 vs. Amazfit GTR

 
Zip
M430
645 Music
A370
GTR
 FitbitZipRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$60$255$450$179.95$199
Release20122017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months30 hours7 daysUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128240 x 240160 x 80454 x 454
Sizen/a1.4 inch1.2 inches1.18 inches1.39 inches
Touch
Typen/aLCDMIPTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash ResistantWR305 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables