Fitbit Flex 2 vs. Polar Loop 2 vs. Sony SmartBand 2 vs. Amazfit T-Rex vs. Skagen Falster 3

 
Flex 2
Loop 2
SmartBand 2
T-Rex
Falster 3
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowAmazfitT-RexRemove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$100$120$130$140$295
Release20162015201520192020

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)2 days20 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a360 x 360416 x 416
Sizen/an/an/a1.3 inches1.28 inches
Touchn/an/a
TypeLEDLEDn/aAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP585 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aBuild-inWear OS
Apps
Music

All Wearables