Polar M400 vs. Moov Now vs. Garmin Vivosmart 3 vs. Jawbone UP2 vs. Amazfit T-Rex

 
M400
Now
Vivosmart 3
UP2
T-Rex
 PolarM400Remove Buy NowMoovNowRemove Buy NowGarminVivosmart 3Remove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$79$139.99$100$140
Release20142015201720152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months5 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/a64 x 128NA360 x 360
Sizen/an/aNANA1.3 inches
Touchn/aNA
Typen/an/aOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATMSplash resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables