Garmin Forerunner 235 vs. Fitbit Alta HR vs. Polar A370 vs. Polar Loop vs. Amazfit T-Rex

 
Forerunner 235
Alta HR
A370
Loop
T-Rex
 GarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299.99$150$179.95$100$140
Release20172017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration9 days7 daysUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180128 x 36160 x 80NA360 x 360
Size1.23 inches1.4 inches1.18 inchesNA1.3 inches
Touch
TypeMIPOLEDTFT LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-in
Apps
Music

All Wearables