Polar M600 vs. TomTom Spark vs. Fitbit Flex 2 vs. Fitbit One vs. Polar Loop 2

 
M600
Spark
Flex 2
One
Loop 2
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy Now

Basic Info

Suggested Price$330$150$100$100$120
Release20162015201620122015

Activity & Fitness

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

Battery

Duration2 daysn/a5 days10-14 days8 days (without notifications)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/an/an/a
Size1.3 inchesn/an/an/an/a
Touchn/an/a
TypeTFTLCDLEDOLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMSplast Resistant2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/an/a
Apps
Music

All Wearables