Fitbit Surge vs. Fitbit Alta vs. Polar A360 vs. Polar Loop 2 vs. Amazfit T-Rex

 
Surge
Alta
A360
Loop 2
T-Rex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$200$120$140
Release20162016201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days12 days8 days (without notifications)20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 80n/a360 x 360
Size1.26 inchesn/a1.18 inchesn/a1.3 inches
Touchn/a
TypeMonochrome LCDOLEDn/aLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aWR302 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/an/aBuild-in
Apps
Music

All Wearables