Fitbit One vs. Moov Now vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. Polar Loop

 
One
Now
Loop 2
Vivofit 4
Loop
 FitbitOneRemove Buy NowMoovNowRemove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$79$120$79.95$100
Release20122015201520182013

Activity & Fitness

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

Battery

Duration10-14 days6 months8 days (without notifications)1 year5 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/an/an/a88 x 88NA
Sizen/an/an/aNANA
Touchn/a
TypeOLEDn/aLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceSplast Resistantn/a2 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables