Polar M400 vs. TomTom Spark vs. Pebble Time 2 vs. Jawbone UP4 vs. Polar Loop

 
M400
Spark
Time 2
UP4
Loop
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowPebbleTime 2Remove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$199$200$100
Release20142015201620152013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a10 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANANA
Sizen/an/aNANANA
TouchNA
Typen/aLCDe-paperNALED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATMNA2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aPebble OSNANA
Apps
MusicNA

All Wearables