Garmin Forerunner 225 vs. TomTom Spark vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop

 
Forerunner 225
Spark
Flex 2
WSD-F20A
Loop
 GarminForerunner 225Remove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$150$100$399$100
Release20152015201620182013

Activity & Fitness

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

Battery

Duration10 hours to 4 weeksn/a5 days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution180 x 180n/an/a320 x 320NA
Size1 inchn/an/a1.32 inchesNA
Touchn/a
Typen/aLCDLEDLCDLED

Functions

Audio Speaker22Bluetooth
Clock
Phonen/an/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM2 ATM

Notifications

Phonen/an/a
Emailsn/an/a
Textsn/an/a

Software

Operating Systemn/an/an/aWear OSNA
Appsn/a
Musicn/a

All Wearables