TomTom Spark vs. Fossil Explorist vs. Fitbit Alta HR vs. Polar A370 vs. Diesel On Full Guard 2.5

 
Spark
Explorist
Alta HR
A370
On Full Guard 2.5
 TomTomSparkRemove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$150$255$150$179.95$325
Release20152018201720172018

Activity & Fitness

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

Battery

Durationn/a24 hours7 daysUp to 3 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x454128 x 36160 x 80454x454
Sizen/a1.4 inches1.4 inches1.18 inches1.39 inches
Touch
TypeLCDAMOLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR303 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OSWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables