Polar Loop 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. HTC re Grip

 
Loop 2
Ionic
645 Music
On Full Guard 2.5
re Grip
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$299$450$325$199
Release20152017201820182020

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days7 days4 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240454x454160 x 32
Sizen/a1.421.2 inches1.39 inches1.8 inches
Touch
TypeLEDOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m5 ATM3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSNA
Apps
Music

All Wearables