Fitbit One vs. Polar A360 vs. Polar M430 vs. Polar A370 vs. Amazfit T-Rex

 
One
A360
M430
A370
T-Rex
 FitbitOneRemove Buy NowPolarA360Remove Buy NowPolarM430Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$200$255$179.95$140
Release20122015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days12 days30 hoursUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80128x128160 x 80360 x 360
Sizen/a1.18 inches1.4 inch1.18 inches1.3 inches
Touch
TypeOLEDn/aLCDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR30WR30WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables