TomTom Spark vs. Polar Loop 2 vs. Casio WSD-F20A vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Spark
Loop 2
WSD-F20A
Vivosmart 4
re Grip
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$120$399$130$199
Release20152015201820182020

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)1 day7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 32048 x 128160 x 32
Sizen/an/a1.32 inches0.74 inches1.8 inches
Touch
TypeLCDLEDLCDOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables