Polar M600 vs. TomTom Spark vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop

 
M600
Spark
WSD-F20A
Flex
Loop
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$150$399$100$100
Release20162015201820132013

Activity & Fitness

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

Battery

Duration2 daysn/a1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a320 x 320NANA
Size1.3 inchesn/a1.32 inchesNANA
Touchn/aNA
TypeTFTLCDLCDLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OSNANA
Apps
Music

All Wearables