Fitbit Alta vs. Polar Loop 2 vs. Sony SmartBand Talk vs. Jawbone UP4 vs. Amazfit T-Rex

 
Alta
Loop 2
SmartBand Talk
UP4
T-Rex
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$120$170$200$140
Release20162015201420152019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)3 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a296 x 128NA360 x 360
Sizen/an/a1.4 inchesNA1.3 inches
Touchn/aNA
TypeOLEDLEDE InkNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP68NA5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearNABuild-in
Apps
MusicNA

All Wearables