Pebble Time vs. Polar M400 vs. Polar Loop 2 vs. Xiaomi Mi Band 2 vs. Jawbone UP4

 
Time
M400
Loop 2
Mi Band 2
UP4
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowXiaomiMi Band 2Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$150$200$120$23$200
Release20152014201520162015

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days8 days (without notifications)20 hoursNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/an/aNA
Size1.26 inchesn/an/a0.42 inchesNA
TouchNA
Typee-papern/aLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM2 ATMIP67NA

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aNA
Apps
MusicNA

All Wearables