Pebble Time Round vs. Polar M400 vs. TomTom Spark vs. Fitbit One vs. Polar Loop

 
Time Round
M400
Spark
One
Loop
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowTomTomSparkRemove Buy NowFitbitOneRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$200$150$100$100
Release20152014201520122013

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 daysn/a10-14 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/aNA
Sizeroundn/an/an/aNA
Touch
Typee-papern/aLCDOLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATMSplast Resistant2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/an/aNA
Apps
Music

All Wearables