Polar M400 vs. Mobvoi TicWatch 2 vs. Samsung Gear 2 vs. Fitbit Alta HR vs. HTC re Grip

 
M400
TicWatch 2
Gear 2
Alta HR
re Grip
 PolarM400Remove Buy NowMobvoiTicWatch 2Remove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$199$300$150$199
Release20142017201420172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.5-2 Days2-3 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320128 x 36160 x 32
Sizen/a1.4 inches1.63 inches1.4 inches1.8 inches
Touch
Typen/aOLEDSuper AMOLEDOLEDPMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP65IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTicwear OSTizen OSNA
Apps
Music

All Wearables