Polar A360 vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Fitbit Flex vs. Amazfit T-Rex

 
A360
Forerunner 235
Alta HR
Flex
T-Rex
 PolarA360Remove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$299.99$150$100$140
Release20152017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days9 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80215 x 180128 x 36NA360 x 360
Size1.18 inches1.23 inches1.4 inchesNA1.3 inches
TouchNA
Typen/aMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables