Polar Loop 2 vs. Acer Liquid Leap vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivofit 4

 
Loop 2
Liquid Leap
Charge
Flex
Vivofit 4
 PolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$90$130$100$79.95
Release20152015201420132018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 to 7 days7-10 days5 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32NANA88 x 88
Sizen/a1 inchNANANA
TouchNANA
TypeLEDOLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX41 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables