TomTom Spark vs. Polar Loop 2 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Pebble Core

 
Spark
Loop 2
Forerunner 235
Flex
Core
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$150$120$299.99$100$99
Release20152015201720132016

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)9 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a215 x 180NANA
Sizen/an/a1.23 inchesNANA
TouchNANA
TypeLCDLEDMIPLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM1 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables