TomTom Spark vs. Fitbit Charge 2 vs. Polar Loop 2 vs. Pebble Core vs. Amazfit GTS

 
Spark
Charge 2
Loop 2
Core
GTS
 TomTomSparkRemove Buy NowFitbitCharge 2Remove Buy NowPolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$150$120$99$150
Release20152016201520162019

Activity & Fitness

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

Battery

Durationn/a5 days8 days (without notifications)NA14 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA348 x 442
Sizen/an/an/aNA1.65 inches
Touchn/aNA
TypeLCDOLEDLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a2 ATMNA5 ATM

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/an/aNAWear OS
Apps
Music

All Wearables