Polar M400 vs. Samsung Gear S vs. Fitbit Alta vs. Polar Loop 2 vs. Jaybird Reign

 
M400
Gear S
Alta
Loop 2
Reign
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$250$130$120$150
Release20142013201620152015

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a5 days8 days (without notifications)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/an/aNA
Sizen/a2 inchesn/an/aNA
Touchn/aNA
Typen/aSuper AMOLEDOLEDLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67n/a2 ATMNA

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aTizenn/an/aNA
Apps
Music

All Wearables