TomTom Spark vs. Polar Loop 2 vs. Fitbit Flex vs. Polar A370 vs. Michael Kors Access Runway

 
Spark
Loop 2
Flex
A370
Access Runway
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$150$120$100$179.95$350
Release20152015201320172018

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)5 daysUp to 3 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA160 x 80390 x 390
Sizen/an/aNA1.18 inches1.19 inches
TouchNA
TypeLCDLEDLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMWR303 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables