Polar Loop 2 vs. Fitbit Ionic vs. Mobvoi TicWatch E vs. Mobvoi TicWatch S2 vs. HTC re Grip

 
Loop 2
Ionic
TicWatch E
TicWatch S2
re Grip
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowMobvoiTicWatch ERemove Buy NowMobvoiTicWatch S2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$299$159$180$199
Release20152017201720192020

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days1.5-2 days2 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/a348x250400 x 400400 x 400160 x 32
Sizen/a1.421.4 inches1.39 inches1.8 inches
Touch
TypeLEDOLEDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50mIP675 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0Wear OSNA
Apps
Music

All Wearables