Polar Loop 2 vs. Fitbit Ionic vs. Jawbone UP4 vs. Jawbone UP Move vs. Amazfit T-Rex

 
Loop 2
Ionic
UP4
UP Move
T-Rex
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowJawboneUP4Remove Buy NowJawboneUP MoveRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$299$200$50$140
Release20152017201520142019

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ daysNA6 months20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a348x250NANA360 x 360
Sizen/a1.42NANA1.3 inches
TouchNANA
TypeLEDOLEDNANAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50mNASplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANABuild-in
Apps
MusicNA

All Wearables