TomTom Spark vs. Fossil Explorist vs. Fitbit Alta HR vs. Polar A370 vs. Garmin Vivosmart 4

 
Spark
Explorist
Alta HR
A370
Vivosmart 4
 TomTomSparkRemove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$255$150$179.95$130
Release20152018201720172018

Activity & Fitness

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

Battery

Durationn/a24 hours7 daysUp to 3 days7 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 8048 x 128
Sizen/a1.4 inches1.4 inches1.18 inches0.74 inches
Touch
TypeLCDAMOLEDOLEDTFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables