Pebble Time vs. Polar M400 vs. Fitbit Flex 2 vs. Jawbone UP2 vs. Polar Loop

 
Time
M400
Flex 2
UP2
Loop
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowJawboneUP2Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$200$100$100$100
Release20152014201620152013

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/aNANA
Size1.26 inchesn/an/aNANA
Touchn/aNA
Typee-papern/aLEDNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMSplash resistant2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aNANA
Apps
Music

All Wearables