TomTom Spark vs. Fitbit Flex 2 vs. Amazfit Arc vs. Fitbit Flex vs. Polar Loop

 
Spark
Flex 2
Arc
Flex
Loop
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$100$69.99$100$100
Release20152016201620132013

Activity & Fitness

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

Battery

Durationn/a5 days20 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a72 x40NANA
Sizen/an/a0.42 inchesNANA
Touchn/aNA
TypeLCDLEDOLEDLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP671 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables