Pebble 2 vs. Polar M400 vs. Jawbone UP3 vs. Amazfit T-Rex

 
2
M400
UP3
T-Rex
 Pebble2Remove Buy NowPolarM400Remove Buy NowJawboneUP3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$200$180$140
Release2016201420132019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA360 x 360
Sizen/an/aNA1.3 inches
TouchNA
Typee-papern/aNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNABuild-in
Apps
MusicNA

All Wearables