Polar M400 vs. Moov Now vs. Polar Loop 2 vs. Samsung Gear 2 vs. HTC re Grip

 
M400
Now
Loop 2
Gear 2
re Grip
 PolarM400Remove Buy NowMoovNowRemove Buy NowPolarLoop 2Remove Buy NowSamsungGear 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$79$120$300$199
Release20142015201520142020

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months8 days (without notifications)2-3 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 320160 x 32
Sizen/an/an/a1.63 inches1.8 inches
Touchn/a
Typen/an/aLEDSuper AMOLEDPMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a2 ATMIP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aTizen OSNA
Apps
Music

All Wearables