TomTom Spark vs. Fitbit Ionic vs. Michael Kors Access Sofie vs. Polar A370 vs. Polar Loop

 
Spark
Ionic
Access Sofie
A370
Loop
 TomTomSparkRemove Buy NowFitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$299$395$179.95$100
Release20152017201720172013

Activity & Fitness

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

Battery

Durationn/a4+ days1 dayUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250390 x 390 1.19 inches160 x 80NA
Sizen/a1.421.18 inchesNA
TouchAMOLDED
TypeLCDOLEDTFT LCDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMWR302 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0NA
Apps
Music

All Wearables