Polar M400 vs. Pebble Time 2 vs. Mobvoi TicWatch E vs. Jawbone UP24 vs. Amazfit T-Rex

 
M400
Time 2
TicWatch E
UP24
T-Rex
 PolarM400Remove Buy NowPebbleTime 2Remove Buy NowMobvoiTicWatch ERemove Buy NowJawboneUP24Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$199$159$130$140
Release20142016201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days10 days1.5-2 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA400 x 400NA360 x 360
Sizen/aNA1.4 inchesNA1.3 inches
TouchNA
Typen/ae-paperOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP67Splash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables