TomTom Spark vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Diesel On Full Guard 2.5

 
Spark
Flex 2
Loop 2
Watch Series 2
On Full Guard 2.5
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$150$100$120$269$325
Release20152016201520162018

Activity & Fitness

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

Battery

Durationn/a5 days8 days (without notifications)18 hours4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a340 x 272 or 390 x 312454x454
Sizen/an/an/a1.5 inches or 1.65 inches1.39 inches
Touchn/a
TypeLCDLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5ATM3 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWatch OSWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables