Fitbit Alta HR vs. Polar A370 vs. Fitbit Versa 2 vs. LG G Watch R vs. Amazfit T-Rex

 
Alta HR
A370
Versa 2
G Watch R
T-Rex
 FitbitAlta HRRemove Buy NowPolarA370Remove Buy NowFitbitVersa 2Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$179.95$199$300$140
Release20172017201920142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 3 days5 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36160 x 80300 x 300320 x 320360 x 360
Size1.4 inches1.18 inches1.34 inches1.3 inches1.3 inches
Touch
TypeOLEDTFT LCDAMOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inAndroid WearBuild-in
Apps
Music

All Wearables