TomTom Spark vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Garmin Vivofit 4

 
Spark
Loop 2
G-Shock GBA800
Flex
Vivofit 4
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$120$120$100$79.95
Release20152015201820132018

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)2 years5 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA88 x 88
Sizen/an/aNANA
TouchNA
TypeLCDLEDLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM20 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables