Fitbit Surge Polar M400 Garmin Vivofit 3 Polar Loop 2
  Fitbit Surge Remove Buy Now Polar M400 Remove Buy Now Garmin Vivofit 3 Remove Buy Now Polar Loop 2 Remove Buy Now

Basic Info

Suggested Price $250 $200 $100 $120
Release 2016 2014 2016 2015

Activity & Fitness

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

Battery

Duration 7 days 8 hours to 30 days 1 year 8 days (without notifications)
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a
Mac n/a n/a
Windows n/a n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution n/a n/a 64 x 64 n/a
Size 1.26 inches n/a 0.55 inches n/a
Touch
Type Monochrome LCD n/a n/a LED

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5 ATM 3 ATM 5 ATM 2 ATM

Notifications

Phone
Emails
Texts

Software

Operating System n/a n/a n/a n/a
Apps
Music