TomTom Spark vs. Withings Activite Pop vs. Fitbit Flex 2 vs. Fitbit Flex vs. Polar Loop

 
Spark
Activite Pop
Flex 2
Flex
Loop
 TomTomSparkRemove Buy NowWithingsActivite PopRemove Buy NowFitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$150$100$100$100
Release20152015201620132013

Activity & Fitness

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

Battery

Durationn/a8 months5 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/aNANA
Sizen/a1.3 inchesn/aNANA
Touchn/aNA
TypeLCDAnalogLEDLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables