TomTom Spark vs. Withings Activite Steel vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4

 
Spark
Activite Steel
Loop 2
Vivofit 4
Vivosmart 4
 TomTomSparkRemove Buy NowWithingsActivite SteelRemove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$170$120$79.95$130
Release20152015201520182018

Activity & Fitness

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

Battery

Durationn/a8 months8 days (without notifications)1 year7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a88 x 8848 x 128
Sizen/a1.3 inchesn/aNA0.74 inches
Touch
TypeLCDAnalogLEDNAOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables