Polar M400 vs. Samsung Gear S vs. Polar Loop 2 vs. Acer Liquid Leap vs. HTC re Grip

 
M400
Gear S
Loop 2
Liquid Leap
re Grip
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$250$120$90$199
Release20142013201520152020

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 days (without notifications)5 to 7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360n/a128 x 32160 x 32
Sizen/a2 inchesn/a1 inch1.8 inches
Touch
Typen/aSuper AMOLEDLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP672 ATMIPX4IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aNA
Apps
Music

All Wearables