Samsung Gear Fit2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Polar A370 vs. Amazfit T-Rex

 
Gear Fit2
Alta HR
Flex
A370
T-Rex
 SamsungGear Fit2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$150$100$179.95$140
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3-4 days7 days5 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution432 x 216128 x 36NA160 x 80360 x 360
Size1.5 inches1.4 inchesNA1.18 inches1.3 inches
TouchNA
TypeSuper AMOLEDOLEDLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP681 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNABuild-in
Apps
Music

All Wearables